pay 9 antonyms and opposites of pay. Verb — To give money in exchange for goods, services, or work. Synonyms for pay ante up cough up defray expend do the needful foot the bill fork out fork over imburse lay out pay the freight pay the piper pay the price pay up pony up quit shell out spend stump up Antonyms for pay buy earn levant default repudiate steal welsh discharge waive ← Back to the full definition of pay