Synonyms of union in English:

union


See US English definition of Union

See UK English definition of union

See Spanish definition of unión

noun

1‘the gardens are an example of the union of art and nature’

SYNONYMS
unification, uniting, joining, merging, merger, fusion, fusing, amalgamating, amalgamation, junction, coalition, combining, combination, consolidation, conjunction, confederation, federation, integration, synthesis, blend, blending, mixture, mingling, commingling
informal mash-up
ANTONYMS

separation, parting

2‘the crowd moved in union to the beat’

SYNONYMS
unity, accord, unison, unanimity, harmony, concord, agreement, concurrence, undividedness

3‘his daughter's union with the prince’

SYNONYMS
marriage, wedding, partnership, pairing, alliance, match, compact, affiliation, civil partnership
coupling, intercourse, mating
formal coition, coitus, copulation
ANTONYMS

divorce, annulment

4‘all employees should have the right to be represented by a union’

SYNONYMS
association, alliance, league, guild
coalition, consortium, combine, syndicate, confederation, federation, confederacy, partnership, fraternity, brotherhood, sorority, society, club, group, organization
British trade union