contract in

English Thesaurus

1. consent in writing to pay money to a trade union for political use (verb.communication)

hypernym	:	accept, consent, go for,
definition	:	give an affirmative reply to; respond favorably to (verb.communication)

antonym	:	contract out,
definition	:	refuse to pay a levy to a union for political use (verb.communication)

antonym	:	contract out,
definition	:	refuse to pay a levy to a union for political use (verb.communication)