say it: YOO-nyuhn
union is a noun and adjective meaning "an organization of employees formed to bargain with the employer". It carries 13 recorded senses.
an organization of employees formed to bargain with the employer
“you have to join the union in order to get a job”
the United States (especially the northern states during the American Civil War)
“he has visited every state in the Union”
“Lee hoped to detach Maryland from the Union”
“the North's superior resources turned the scale”
United States
the act of pairing a male and female for reproductive purposes
“the casual couplings of adolescents”
“the mating of some species occurs only in the spring”
the state of being joined or united or linked
“there is strength in union”
the state of being a married couple voluntarily joined for life (or until divorce)
“a long and happy marriage”
“God bless this union”
law
healing process involving the growing together of the edges of a wound or the growing together of broken bones
a political unit formed from previously independent people or organizations
“the Soviet Union”
a set containing all and only the members of two or more given sets
“let C be the union of the sets A and B”
the occurrence of a uniting of separate parts
“lightning produced an unusual union of the metals”
a device on a national flag emblematic of the union of two or more sovereignties (typically in the upper inner corner)
the act of making or becoming a single unit
“the union of opposing factions”
“he looked forward to the unification of his family for the holidays”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for union come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.