Unison Definition
yo͝onĭ-sən, -zən
noun
An interval consisting of two identical musical pitches; prime.
Webster's New World
The combination of parts at the same pitch or in octaves.
American Heritage
The action of speaking the same words simultaneously.
The children greeted their teacher in unison.
American Heritage
Complete agreement; concord; harmony.
Webster's New World
Performance of an action at the same time.
Crew members rowing in unison; pigeons wheeling in unison.
American Heritage
Synonyms:
Antonyms:
abbreviation
(in music): P1
Wiktionary
pronoun
(UK, labor union) A public sector trade union in the UK.
Wiktionary
Other Word Forms of Unison
Noun
Singular:
unison
Plural:
unisonsIdioms, Phrasal Verbs Related to Unison
Origin of Unison
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Middle English from Old French from Medieval Latin ūnisonus in unison from Late Latin monotonous Latin ūni- uni- Latin sonus sound swen- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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From Middle English unisoun, from Middle French unisson, from Medieval Latin unisonus (“having the same sound"), from Latin uni- + sonus (“sound").
From Wiktionary
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