Definition of GMB in English:

GMB

Line breaks: GMB

noun

(In the UK) a general trade union, with members from many employment sectors.

Origin

from General, Municipal, Boilermakers and Allied Trade Union, a former name of the union.

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Word of the day abjure
Pronunciation: əbˈdʒʊə
verb
solemnly renounce (a belief, cause, or claim)