The definition of a cinch is something that is very easy to do, or that is a sure thing.
Something considered certain to win, succeed, etc.
An end or a result regarded as inevitable:
Uncertainty is defined as doubt.
Find another word for foregone-conclusion. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for foregone-conclusion, like: cinch, preconceived notion, preconceived opinion, sure success, sure thing, sure-fire proposition, foregone, certainty, matter-of-course, uncertainty and par-for-the-course.