Definitions

1. noun

The state of being in unison, or the quality of being in harmony.

“The choir’s perfect unisonance filled the entire auditorium.”

2. noun

A sound or noise that is in unison, or a harmonious combination of sounds.

“The unisonance of the cymbals and drums added to the dramatic effect of the music.”

3. noun

A state of harmony or agreement, especially in opinion or action.

“The unisonance of the committee members led to a unanimous decision.”