minor

Lesser, smaller in importance, size, degree, seriousness, or significance compared to another option, particularly

Underage, not having reached legal majority.

Not serious, not involving risk of death, permanent injury, dangerous surgery, or extended hospitalization.

Smaller by a diatonic semitone than the equivalent major interval.

Incorporating a minor third interval above the (in scales) tonic or (in chords) root note, (also figurative) tending to produce a dark, discordant, sad, or pensive effect.

Of or related to a minor, a secondary area of undergraduate study.

Of or related to a minor, a determinate obtained by deleting one or more rows and columns from a matrix.

Acting as the subject of the second premise of a categorical syllogism, which then also acts as the subject of its conclusion.

The younger of two pupils (or the middle of three) with the same surname.

Of or related to the relationship between the longa and the breve in a score.