unisonous

== English == === Etymology === From unison +‎ -ous. === Adjective === unisonous (not comparable) Being in unison; unisonant. Synonyms: unisonant, unisonal ==== Translations ==== === References === “unisonous”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.