This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A person who persistently grumbles; a complainer

n. One who grumbles.

n. One who grumbles or murmurs; one who complains or expresses discontent.

n. A fish of the family Triglidæ; a gurnard: so called from its making a grumbling noise while struggling to disengage itself from the hook.

n. a person given to excessive complaints and crying and whining

"This blog takes its name from the French word grognard, which means roughly "grumbler" or "grouch.""

unpleasant person    disagreeable person   

kvetch   

complainer   

murmurer    snuff-taker    censurer    croaker    tinkerer    bibliomaniac    romancist    woman-hater    desease    sentimentalist