grumbler

1 an irritable and complaining person the motor coach tour would have been okay if I hadn't been paired up with a grumbler who whined through the whole thing Synonyms bear, bellyacher, complainer, crab, crank, croaker, crosspatch, curmudgeon, fusser, griper, grouser, growler, grouch, grump, murmurer, mutterer, sourpuss, whinerRelated Words hunks; malcontent, sorehead; grinch, killjoy, party pooper, spoilsport; defeatist, pessimist; faultfinder, kicker, nagger, nitpicker, objector, quibbler, repiner; crock [slang], hypochondriacNear Antonyms optimist, Pollyanna; happy camper

2 a person who makes frequent complaints usually about little things how can you be such a grumbler when so much in your life is going well? Synonyms baby, bellyacher, complainer, fussbudget, fusser, fusspot, griper, crybaby, kvetch, kvetcher, sniveler, whinerRelated Words bawler, bleater, moaner, screamer, squawker, wailer, weeper; crab, grump, malcontentNear Antonyms happy camper