(Originally in gambling contexts) a bet which is certain to pay off; (later more generally) a certainty; a secure prospect; an option or course that is judged to involve no risk.
Origin
Mid 18th century; earliest use found in John Gay (1685–1732), poet and playwright.
Definition of sure bet in US English:
sure bet
noun
(Originally in gambling contexts) a bet which is certain to pay off; (later more generally) a certainty; a secure prospect; an option or course that is judged to involve no risk.
Origin
Mid 18th century; earliest use found in John Gay (1685–1732), poet and playwright.