underground
/ˌʌn.dəˈɡɹaʊnd/adj
Elementary
1
Below the ground; below the surface of the Earth.
2
Hidden, furtive, secretive.
3
Of or relating to an art forms (such as music) or subculture that is outside the mainstream, especially one that is unofficial and hidden from the authorities.
Thesaurus
Sound Patterns & Rhymes
Rhymes
Words that share the same ending sound pattern
Alliteration
Words starting with the same consonant sound — used in poetry and prose to create rhythm, emphasis, and memorable phrasing (e.g. “Peter Piper picked”)
Assonance
Words sharing similar vowel sounds regardless of starting letter — creates internal melody in writing