noun
chance, speculation
Synonyms: action, bet, fling, leap, long shot, lottery, outside chance, raffle, risk, shot in the dark, spec, stab, throw of the dice, toss up, uncertainty, venture, wager
Antonyms: design, guard, insurance, plan, protection, safeguard
verb
take a chance on winning
Synonyms: back, bet, brave, buck the odds, cast lots, challenge, cut the cards, dare, defy, endanger, face, flip the coin, game, go for broke, hazard, imperil, jeopardize, lay money on, lot, make a bet, play, plunge, put, put faith in, put trust in, risk, set, shoot the moon, shoot the works, speculate, stake, stick one’s neck out, take a flyer, tempt fortune, trust to luck, try one’s luck, venture, wager
Antonyms: be careful, design, ensure, guard, insure, plan, safeguard