This word usually appears in the phrase "in unison", which means "together, at the same time" or "at the same musical pitch". So an excited crowd responding to a speaker may shout in unison, and a group …

UNISON definition: 1. the playing or singing of notes at the same pitch, or at pitches one or more octaves apart, by…. Learn more.

There are 11 meanings listed in OED's entry for the word unison, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Definition of unison noun from the Oxford Advanced Learner's Dictionary. if people do or say something in unison, they all do it at the same time. They moved in perfect unison. Join our community to …

If people do something in unison, they do it together at the same time. The children recited the alphabet in unison. If people work in unison, they work together to achieve something. Local residents and …

a. in perfect accord; in synchrony or agreement: to march in unison; My feelings are in unison with yours. b. at the same time; all at once: students shouting answers in unison.

UNISON in British English (ˈjuːnɪsən ) noun (in Britain) a trade union representing local government, health care, and other workers: formed in 1993 by the amalgamation of COHSE, NALGO, and NUPE

The noun unison describes something that is synchronized or simultaneous, like when someone asks a question and you and your friend respond with the exact same answer at the same moment. When …

From Longman Dictionary of Contemporary English u‧ni‧son /ˈjuːnəsən, -zən/ noun → in unison Examples from the Corpus unison • The office fellows on the table behind laughed abruptly and in …

Playing or singing the same musical notes, or notes separated from each other by one or several octaves. Musicians who perform in unison are not playing or singing chords.