together
The word "unison" is a noun.
The root word for unison is "uni," which comes from the Latin word meaning "one."
At the same time.
The birds flew in unison.
The parents said no in unison to the toddler's request for a sheep.
The two women sang in unison upon the stage.
Whakakotahitanga
Singing in unison means singing together or at the same time
Unison is doing the same thing; for instance, talking at the same time.
Prime unison denotes simultaneous two overlapping sounds of the same pitch.
unison
in unison