unisonant

/juˈnɪsənənt/
adjective
  1. Having the same sound or pitch; sounding together in unison.
    • The birds sang in unisonant calls at dawn.
    • The unisonant voices of the choir created a powerful effect.
    • The two guitars played unisonant notes that blended perfectly.
Antonyms
What does "unisonant" mean? | whatsthatwordmean | whatsthatwordmean