cinch

1 something that is easy to do the clear instructions made setting up the audiovisual system a cinch Synonyms breeze, cake, cakewalk, child's play, cream puff, duck soup, kid stuff, picnic, pushover, roses, snap Related Words no-brainer, nothing; sitting duck; gimme, laugher, walkaway Phrases piece of cake, walk in the park Near Antonyms brainteaser, poser, stumper, toughie (also toughy); bother, nuisance, trouble Antonyms bear, beast, chore, headache, horror show, killer, labor, murder, pain, sticky wicket, stinker [slang]

2 one that is certain to succeed after that hole in one, she's a cinch to make the cut for the next round of the tournament Synonyms sure thing, lock, shoo-in, slam dunkRelated Words certainty, inevitability; eventuality; foregone conclusionNear Antonyms dark horse, long shot