gamble

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

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