child's play

1 something of little importance the injury is child's play, just a scratch Synonyms bagatelle, trifle, frippery, nonproblem, nothing, picayune, shuck(s), small beer, small change, trivialityRelated Words naught (also nought), nothingness, smoke, zero; peanuts, pittance, song, straw, two bits; bunk, claptrap, drivel, folly, fribble, fudge, hogwash, humbug, humbuggery, nonsense, piffle, rot, trash, trivia; bit, crumb, dab, dram, lick, mite, ounce, particle, pinhead, scintilla, shred, smidgen (also smidgeon or smidgin or smidge), soupçon, speck, spot, tad, touch, trace

2 something that is easy to do winning the game against those guys will be child's play Synonyms breeze, cake, cakewalk, cinch, cream puff, duck soup, kid stuff, picnic, pushover, roses, snapRelated Words no-brainer, nothing; sitting duck; gimme, laugher, walkawayNear Antonyms brainteaser, poser, stumper, toughie (also toughy); bother, nuisance, troubleAntonyms bear, beast, chore, headache, horror show, killer, labor, murder, pain, sticky wicket, stinker [slang]