Middle School Vocabulary
114,351 words and 1,048 expressions at the middle school level.
A surname from Irish.
A surname from Irish.
plural of O'Bar
A surname.
A surname from Irish.
A surname from Irish.
plural of O'Dea
A surname.
A surname from Hungarian.
A surname from Irish.
A surname from Irish.
A surname from Irish.
A surname from Irish.
A surname from Irish.
A surname from Irish.
A surname from Irish.
A surname from Irish.
Pronunciation spelling of ornery.
A surname from Irish, variant of O'Neill.
A surname from Irish [in turn originating as a patronymic], a variant of O'Neill.
A surname from Irish.
A surname.
A surname from Irish.
A surname from Irish.
A surname.
Of the.
A surname from Irish
plural of O-1A
plural of O-1B
Alternative form of O-chem.
Alternative form of Ezhou.
Abbreviation of ortho-chloronitrobenzene.
Alternative letter-case form of o-face.
plural of o-fer
Alternative form of ǃOǃKung.
Synonym of wheel lock.
Alternative form of ooaa.
A circular gasket, usually made of rubber.
Pronunciation spelling of alright.
Abbreviation of orgasm shot.
A word, especially a noun in Indo-European linguistics, whose stem ends in /o/.
Abbreviation of Orientation Week.
Any word beginning with o that is not normally taboo but is considered (often humorously) to be so in the given context.
plural of O.G.
Alternative form of OMG.
Alternative form of ono (“or nearest offer”).
Alternative form of OPP.
Initialism of on behalf of.
A town in Lyman County, South Dakota, United States.
A town in Oadby and Wigston borough, Leicestershire, England.
A surname.
plural of OADM
plural of OAer
A person, especially a large male, who is clumsy or a simpleton.
The state or condition of an oaf; oafishness.
Of or relating to Oahu in Hawaii.
A member of the Hearts of Oak, a protest movement of farmers and weavers that arose in County Armagh, Ireland, in 1761, in reaction to excessive taxation.
Of a wine: aged in oak so that it acquires flavor from tannins in the wood.
Made from the wood of the oak tree. Also in metaphorical uses, suggesting robustness.
Obsolete form of ochre.
A suburban area of Huddersfield, West Yorkshire, England (OS grid ref SE112341).
A surname.
plural of Oakey
A town and civil parish (with a town council) in and the county town of Rutland, England (OS grid ref SK8508).
A surname.
comparative form of oaky: more oaky
A little oak tree.
A village and civil parish in Bedford borough, Bedfordshire (OS grid ref TL0153).
A surname.
A village and civil parish in north Wiltshire, England (OS grid ref ST9893).
A flexible material akin to thick paper.
Coarse fibres separated by hackling from flax or hemp when preparing the latter for spinning.
plural of oakum
Resembling or characteristic of the oak tree or its wood.
A locality in the Goulburn Mulwaree council area and the Queanbeyan-Palerang council area, south eastern New South Wales, Australia.
A large town bordering the Pacific Ocean in North Otago, New Zealand.
plural of oangium
plural of OAP
The act of using oars; rowing.
Having oars.
plural of oare
present participle and gerund of oar
Obsolete form of orlop.
Alternative form of oarsman.
plural of oarman
plural of oart
oasitic
Initialism of old age, survivors, and disability insurance.
Of or relating to an oasis.
plural of oasis
A spring of fresh water, surrounded by a fertile region of vegetation, in a desert.
plural of oast
Made of oats.
plural of oater.
A surname.
A surname.
A solemn pledge or promise that invokes a deity, a ruler, or another entity (not necessarily present) to attest the truth of a statement or sincerity of one's desire to fulfill a contract or promise.
simple past and past participle of oath
plural of oath
An oat cookie.
comparative form of oaty: more oaty
plural of oatie
A surname.
A suburb of Sydney in the Georges River council area, New South Wales, Australia.
Energetic; frisky.
A surname.
plural of oaf
A city in Mexico.
Alternative letter-case form of OB-GYN.
Alternative form of OB-GYN.
Abbreviation of Obadiah.
A surname from Arabic.
plural of Obaid
plural of obai
A ghost or apparition in Japanese folklore.
An African surname from Luo.
Of or pertaining to Barack Obama or to his ideology or policies.
plural of Obama
A municipality of Bulacan, Philippines.
An old Japanese gold coin.
plural of obang
plural of oban
A surname.
plural of Obara
A Japanese middle-aged woman.
A Japanese male surname from Japanese.
Initialism of One Big Beautiful Bill Act.
plural of obby
plural of obbo
plural of obby
A hypothetical proto-organism consisting of a cup-shaped half-cell.
To cover.
To draw over; to cover.
Synonym of obdurate.
A form of folk magic, medicine or witchcraft originating in Africa and practised in parts of the Caribbean.
plural of obeah
An intelligent demonic influence or entity.
Triplochiton scleroxylon, a tropical tree of Africa.
Abbreviation of obedient (in letter-closing formulas such as "your obedient servant").
Alternative form of obiism.
plural of obelus
Any of various colonial marine hydroids of the genus Obelia.
Relating to an obelus or typographical dagger
A calcium-regulated bioluminescent photoprotein from marine organisms of the genus Obelia.
A symbol resembling a horizontal line (–), sometimes together with one or two dots (for example, ⨪ or ÷), which was used in ancient manuscripts and texts to mark a word or passage as doubtful or spurious, or redundant; an obelisk.
Alternative form of bento.
A lively Polish dance with many lifts and jumps.
A surname from German.
A surname from German.
A surname from Punjabi.
A fictional character in medieval and Renaissance literature, the king of the fairies, appearing for example in William Shakespeare's play A Midsummer Night's Dream.
plural of Ober
A surname from Italian
A surname.
Extremely overweight, especially: weighing more than 20% (for men) or 25% (for women) over their conventionally ideal weight determined by height and build; or, having a body mass index over 30 kg/m².
comparative form of obese: more obese
plural of obese
The state of being obese.
simple past and past participle of obey
simple past and past participle of obey
One who obeys.
third-person singular simple present indicative of obey
To make firm or stubborn.
Alternative form of OB-GYN.
plural of OBGYN
Kitschy; tasteless; inauthentic
plural of oby
Belief in, or the practice of, the obeah superstitions and rites.
A surname.
A town in Obion County, Tennessee, United States.
A surname from Spanish.
The death of a person.
Of or relating to an obit.
Incidentally; in passing.
plural of obit
A brief notice of a person's death, especially one published in a newspaper or other publication; also (obsolete), the section of a newspaper where notices of deaths are published.
The act of objecting.
Arousing disapproval; worthy of objection; offensive.
The state of being objective, just, unbiased, and not influenced by irrational emotions or personal prejudices.
A person who objects to something.
Clipping of objet d'art.
plural of objet
To swear an oath.
A region or province in Slavic or Slavic-influenced countries.
plural of oblatum
plural of oblate
A dessert from several countries in Latin America, consisting of two thin wafers sandwiching a sweet filling.
A surname.
A communion wafer.
plural of obley
To bind, compel, constrain, or oblige by a social, legal, or moral tie.
The act of binding oneself by a social, legal, or moral tie to someone.
To constrain someone by force or by social, moral or legal means.
Obsolete form of oblique.
The state of forgetting completely, of being oblivious, unconscious, unaware, as when sleeping, drunk, or dead.
oblong in three dimension(s)
Having a length and width that are different; not square or circular.
The characteristic of being obnoxious.
A soprano and melody wind instrument in the modern orchestra and wind ensemble. It is a smaller instrument and generally made of grenadilla wood. It is a member of the double reed family.
plural of oboe
Someone who plays an oboe.
An obsolete French coin.
A surname.
plural of obole
plural of obolus
Any member of the family Obolidae of lamp shells.
An old copper coin of the Ionian Islands.
plural of obolos
Alternative form of obolus.
plural of obol
A silver coin minted in Ancient Greece, valued at a sixth of a drachma.
The traditional ruler and cultural custodian of the Efik people of Western Africa.
A member of the Bongo people of Gabon.
plural of obong
An online book
plural of obook
plural of oboo.
A village and civil parish (served by Yeohead and Castleton Parish Council) north-east of Sherborne, Dorset, England, previously in West Dorset district (OS grid ref ST6518).
A surname from Polish.
A surname.
plural of Obote
obovate
A village in Mihalț, Alba County, Romania.
A barangay of Quezon City, Metro Manila, Philippines.
A rent.
plural of obrok
Alternative form of oburoni.
Offensive to standards of decency or morality.
Something that is obscene.
Dark, faint or indistinct.
Abbreviation of observed.
Able to be observed.
The practice of complying with a law, custom, command or rule.
Alert and paying close attention; watchful.
The act of observing, and the fact of being observed (see observance)
A place where stars, planets and other celestial bodies are observed, usually through a telescope; also place for observing meteorological or other natural phenomena.
To notice or view, especially carefully or with attention to detail.
One who makes observations, monitors or takes notice.
simple past and past participle of obsess
The quality of being obsessed.
Prone to cause obsession.
A type of naturally occurring black glass produced by volcanoes.
To seal; to confirm, as by a seal or stamp.
Abbreviation of observation.
plural of obsn.
Abbreviation of observer.
plural of obsr.
The state, or an act, of stubbornness or doggedness.
To block or fill (a passage) with obstacles or an obstacle.
The act of obstructing, or state of being obstructed.
plural of Obst
To get hold of; to gain possession of, to procure; to acquire, in any way.
Having the legs and other appendages more or less strongly cemented to the body.
Obsolete form of obtain.
To oppose; to hold out in opposition.
To implore, beseech, plead, beg.
Obsolete form of obtain.
To reduce the edge or effects of; to mitigate; to dull.
A town in Ashanti Region, Ghana.
A surname from Japanese.
To turn so as to show another side.
Easily discovered, seen, or understood; self-explanatory.
The characteristic of being obvious.
Egg-shaped and solid, with the narrow end at the base.
A Witotoan language spoken in Peru and Colombia.
A city, the county seat of Marion County, Florida.
A general-purpose, multi-paradigm programming language based on the Caml dialect of ML.
A surname from Spanish [in turn from Galician].
A surname from Czech.
A surname.
Alternative form of Ockham.
An alloy imitating gold or silver.
Occurring or appearing irregularly from time to time, but not often; incidental.
A sound hole
plural of occy
Abbreviation of occasion.
plural of occn.
Alternative form of okra.
Alternative form of okra.
Initialism of Organized Crime and Corruption Reporting Project, an international journalism organization.
The act of occupying, the state of being occupied or the state of being an occupant or tenant.
A person who occupies an office or a position.
An activity or task with which one occupies oneself; usually specifically the productive activity, service, trade, or craft for which one is regularly paid; a job.
Of, belonging, or relating to an occupation (in any sense).
To happen or take place.
An actual instance when a situation occurs; an event or happening.
third-person singular simple present indicative of occur
An unincorporated community in Virginia Beach, Virginia, United States.
Of property or real estate: adjacent to the ocean.
Of or relating to the ocean.
A census-designated place in San Luis Obispo County, California, United States.
plural of ocean
Characteristic of the ocean.
A hybrid of an ocelot and a bobcat.
plural of ocellus
An American feline carnivore (Leopardus pardalis, syn. Felis pardalis) covered with blackish ocellated spots and blotches which are variously arranged.
A surname from Slovak.
A traditional Spanish unit of mass, equivalent to about 3.6 g.
A former Spanish coin from the 17th to 19th centuries.
Alternative form of O-chem.
Alternative form of Echeng.
Alternative spelling of ochre.
plural of ocher
ocherous
plural of oche
Obsolete form of occamy.
Alternative form of ochlo-, used before a suffix beginning with a vowel.
Crowd, mob.
Any of the genus Ochna of evergreen trees, shrubs and shrublets.
plural of ochna
A surname.
An age forming part of the Permian.
plural of Ochoa
Expresses woe or sorrow.
Alternative form of okra.
plural of ochra
Alternative form of ocrea.
simple past and past participle of ochre
plural of ochre
Alternative form of ochery.
Either too thin, too light in colour, or too low in organic matter to be considered either mollic or umbric.
Alternative form of okra.
Alternative form of okra.
Alternative form of ochery.
Initialism of Office of the Coordinator of Inter-American Affairs.
A domestic cat of a breed that is spotted like a wild cat, established from Siamese and Abyssinian stock.
Alternative letter-case form of OCify
Abbreviation of Online Copyright Infringement Liability Limitation Act.
Pronunciation spelling of awkward.
Interest on money; usury; increase.
Pronunciation spelling of awkward.
plural of ocker
A rural and semirural village and civil parish in Guildford borough, Surrey, England (OS grid ref TQ0756).
plural of ocky
A surname from German.
A village and civil parish in Mole Valley district, Surrey, England (OS grid ref TQ1440).
Alternative form of okra.
Synonym of Wuqiu.
A surname from French.
A village in Teaca, Bistrița-Năsăud County, Romania.
A city in Orange County, Florida, United States.
Any member of the Ocoidae.
plural of ocoid
A village and commune of Alba County, Romania.
A small city in Washington County, Georgia, United States.
A village in Custer County, Nebraska, United States.
Acronym of outside [the] contiguous United States, i.e. Alaska, Hawaii, the US territories, and all other countries.
Any of various pine trees of Latin America.
plural of ocote
plural of OCPD
Alternative form of oka (“weight unit”)
plural of ocque
Any of various forms of government or rule as designated by words ending in -ocracy.
plural of ocra
A sheath around a plant stem forming from the stipule of a leaf and extending above the point of insertion of the leaf.
plural of ocrea
Relating to the ocrea.
plural of ocrea
simple past and past participle of OCR
plural of ocre
present participle and gerund of OCR
Eight.
A group of eight things.
plural of octad
Shaped like an octagon, in having eight sides and eight angles.
The number system that uses the eight digits 0, 1, 2, 3, 4, 5, 6, 7.
plural of octal
Occurring every eight days.
A small circumpolar constellation of the southern sky, said to resemble an octant. It lies closest to the southern celestial pole of any constellation.
Synonym of octal.
plural of octa
An interval of twelve semitones spanning eight degrees of the diatonic scale, representing a doubling or halving in pitch frequency.
A sheet of paper 7 to 10 inches (= 17.78 to 25.4 cm) high and 4.5 to 6 inches (= 11.43 to 15.24 cm) wide, the size varying with the large original sheet used to create it. It is made by folding the original sheet three times to produce eight leaves.
Any of many isomeric alkenes having eight carbon atoms and one double bond; some of them are used in the manufacture of polymers
A group or set of eight of something.
plural of octet
Alternative spelling of octet.
plural of OCTG
Of the eighth degree or order.
plural of octic
Any of the quantiles that divide an ordered sample population into eight equally numerous subsets.
The element oxygen.
A word (or rather, a doubleword) consisting of eight bytes (64 bits)
Pulque.
eight
Synonym of ogdoad (“a thing made up of eight parts”).
Obsolete spelling of October.
A thermionic valve that has eight electrodes or similar elements
Pertaining to, derived from, or resembling octane; used mostly to designate any of a group of acids including caprylic acid.
Being a form of gear or tooth that resembles the involute, but whose complete path of contact on the surface of a sphere is in the form of a figure eight.
The eighth segment of an insect.
plural of octo.
A sugar or saccharide containing eight carbon atoms.
A hypothetical radical, C₈H₁₅O, regarded as the essential residue of octoic acid.
Abbreviation of October (10th month of the Western Calendar).
A treelike data structure each of whose nodes has up to eight children, most often used to partition a three-dimensional space by recursively subdividing it.
A privilege granted by the sovereign authority, such as the exclusive right of trade granted to a guild or society; a concession.
To grant (a privilege etc, by a government etc).
Synonym of octet (“a composition for eight instruments or voices”).
Any of very many isomeric univalent hydrocarbon radicals, C₈H₁₇, formally derived from octane by the loss of a hydrogen atom
plural of octyl
Any of many isomeric alkynes having eight carbon atoms and one triple bond
plural of oculus
An eye doctor; an ophthalmologist or optometrist.
Of or pertaining to the eye.
The central boss of a volute.
A Native American paramount chiefdom in the Piedmont region of the U.S. state of Georgia in the 16th and 17th centuries.
simple past and past participle of OD
present participle and gerund of OD
present participle and gerund of OD
A long, large Japanese sword.
Any of the family Odacidae of perciform fishes
plural of odah
plural of odal
A Japanese sweet round dumpling made from mochiko (rice flour), eaten off a stick. Related to mochi.
The Ottawa people.
plural of Odawa
plural of Oday
Alternative spelling of odd bod.
To make or become odd (all senses)
comparative form of odd: more odd
superlative form of odd: most odd
A surname.
To cause to appear strange.
Somewhat odd.
An odd or strange thing or opinion.
Alternative form of odd job.
In a peculiar manner; strangely; unusually.
Alternative form of odd man (“one who does odd jobs”).
plural of oddman
Alternative form of odso.
A short poetical composition proper to be set to music or sung; a lyric poem; especially, now, a poem characterized by sustained noble sentiment and appropriate dignity of style.
Bougainville bush warbler (Horornis haddeni)
plural of odeion
Alternative form of odeon.
A female given name.
A little or short ode.
A male given name.
plural of Odell
Misspelling of oedema.
The largest city in the Region of Southern Denmark (Region Syddanmark) and third-largest city in Denmark.
An ancient Greek or Roman building used for performances of music and poetry.
plural of odeon
Alternative spelling of Odessa
Of, from, or relating to the city of Odesa, Ukraine.
A port city, the administrative center of Odessa Raion and Odesa Oblast, Ukraine, situated on the northwestern shore of the Black Sea.
A female given name, variant of Odette.
A female given name from French.
Alternative form of odeon.
plural of odeum
A surname.
A type of small sari worn over other clothing.
A dupatta.
plural of odhni
plural of Odia
Fit to excite hatred; hateful, odious.
A village and civil parish in Hart district, Hampshire, England (OS grid ref SU7451).
Initialism of Office for Democratic Institutions and Human Rights.
Any member of the family Odiidae (now Ochlesidae) of small shrimp-like crustaceans.
plural of odiid
present participle and gerund of OD
Pertaining to Odin or Odinism.
A state in eastern India. Capital: Bhubaneswar.
A surname.
The supposed science of the force or natural power called od.
A writer of an ode or odes.
plural of odist
Hatred; dislike.
plural of odium
To charge with od (the hypothetical force).
simple past and past participle of odize
third-person singular simple present indicative of odize
A surname from Algonquin
A surname from Norwegian.
plural of Odle
A volatile liquid with an unpleasant garlic odour, obtained by boiling sulfur with linseed oil.
A village on Randsfjorden, Søndre Land municipality, Innlandet, Norway.
plural of Odom
A surname.
An identifying name given to a street; a street name.
Alternative form of odum (“the tree Milicia excelsa”).
Any substance that has a distinctive smell, especially one added to something (such as household gas) for safety purposes
Having an odor, especially having a specified odor.
A village and commune of Satu Mare County, Romania.
An energetic Japanese style of folk dance.
Having no odor.
Having a distinctive odor.
plural of odor
British standard spelling of odor.
plural of odour
A southern suburb of the City of Bradford, West Yorkshire, England, the location of Odsal Stadium (OS grid ref SE1529).
Alternative form of ods bodikins.
one damn thing after another
plural of Odum
Synonym of od (“a hypothetical force or natural power, now proved not to exist, which was supposed by Carl Reichenbach and others to inhere in certain people and produce phenomena such as animal magnetism and mesmerism, and to be developed by various agencies, as by chemical or vital action, heat, light, magnets, etc.”).
Of or pertaining to the od or odyle (“a hypothetical force or natural power, now proved not to exist, which was supposed by Carl Reichenbach and others to inhere in certain people and produce phenomena such as animal magnetism and mesmerism, and to be developed by various agencies, as by chemical or vital action, heat, light, magnets, etc.”).
A commune of Buzău County, Romania.
Initialism of Open eBook Publication Structure
Alternative form of Old Earth creationism.
A founder of a colony.