unison

(noun)

noun

1. corresponding exactly

- marching in unison

Definition categories: state, accord, agreement

2. occurring together or simultaneously

- the two spoke in unison

Definition categories: attribute, coincidence, concurrence, conjunction

3. (music) two or more sounds or tones at the same pitch or in octaves

- singing in unison

Definition categories: attribute, sound

Sentences with unison as a noun:

- Everyone moved in unison, but the sudden change in weight distribution capsized the boat.

- The unison has a pitch ratio of 1:1.