union.
The act of uniting or joining two or more things into one.
Meaning & usage
The act of uniting or joining two or more things into one.
The state of being united or joined; a state of unity or harmony.
Something united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league.
A trade union; a workers' union.
An association of students at a university for social and/or political purposes; also in some cases a debating body.
A joint or other connection uniting parts of machinery, such as pipes.
The set containing all of the elements of two or more sets.
The act or state of marriage.
Sexual intercourse.
A data structure that can store any of various types of item, but only one at a time.
A large, high-quality pearl.
An affiliation of several parishes for joint support and management of their poor; also the jointly-owned workhouse.
Where this word comes from
From Middle English unyoun, from Old French union, from Late Latin ūniō, ūniōnem (“oneness, unity”), from Latin ūnus (“one”). Doublet of unio.
To combine sets using the union operation.
Where this word comes from
From Middle English unyoun, from Old French union, from Late Latin ūniō, ūniōnem (“oneness, unity”), from Latin ūnus (“one”). Doublet of unio.
Belonging to, represented by, or otherwise pertaining to a labour union.
Actors have to be union to get work here.
federal.
The union government of India
Where this word comes from
From Middle English unyoun, from Old French union, from Late Latin ūniō, ūniōnem (“oneness, unity”), from Latin ūnus (“one”). Doublet of unio.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.