Word Originlate Middle English (originally as a musical term): from Old French, or from late Latin unisonus, from Latin uni- ‘one’ + sonus ‘sound’.Extra examples If the Security Council members act in unison, they may prevent an outbreak of war in the region. The oboe was in unison with the clarinet. They moved in perfect unison.Idioms
- 1if people do or say something in unison, they all do it at the same time
- 2if people or organizations are working in unison, they are working together, because they agree with each other
- 3(music) if singers or musicians sing or play in unison, they sing or play notes at the same pitch or at one or more octaves apart
Check pronunciation: unison
