stopgap(noun, adjective) adjective1. Temporary; short-term.- They put a stopgap solution in place, but need something more permanent. noun1. something contrived to meet an urgent need or emergencySimilar word(s): makeshiftDefinition categories: act, expedientSentences with stopgap as a noun:- The small company uses their new product features as a stopgap until they can develop a new product.