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Added 4 October 2026

union

/ˈjuː.njən/ noun

In Latin: adūnātiō, uniō Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about union at Wordnik → Where our words come from →

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.

verb

To combine sets using the union operation.

adjective

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

Origin

From Middle English unyoun, from Old French union, from Late Latin ūniō, ūniōnem (“oneness, unity”), from Latin ūnus (“one”). Doublet of unio.

From Wiktionary, via Kaikki.org (CC BY-SA)

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