WordReference Random House Unabridged Dictionary of American English © 2026
u•nis•o•nous
(yo̅o̅ nis′ə nəs),USA pronunciation adj.
- being in unison.
- Medieval Latin ūnison(us) (see unison) + -ous
- 1775–85
'unisonous' also found in these entries (note: many are not synonyms or translations):