foil

Synonyms: antithesis background complement counterblow defense guard setting

Synonyms: baffle balk beat bilk bollix buffalo check checkmate counter crab cramp crimp curb dash defeat disappoint disconcert ditch dodge duck elude faze foul up frustrate get around give the run-around give the slip hang up hinder juke nullify outwit prevent rattle restrain run circles around run rings around shake shake off shuffle off skip stop stymie throw monkey wrench in thwart upset the apple cart

Antonyms: abet aid assist help