(participial adjective, of workers, workforces, companies, or industries) Organized into a trades union or trades unions.

plural of Union

plural of unionization

present participle of unionize

Third-person singular simple present indicative form of unionize

(politics) The act of forming a labor union.

(chemistry, rare, nonstandard) Synonym of deionization.

(printing) A maker's mark imprinted on a work to show that it is sanctioned by members of a trade union. It is often a tiny elongated rhomboid containing and surrounded by, in minuscule typeface, identifying names and the union's local chapter number.

(politics, historical) The situation of two or more states sharing the same monarch, usually also with shared dynastic succession.

A legal union similar to marriage, established to allow same-sex couples (and, in some jurisdictions, opposite-sex couples) rights similar to those married couples have.