Synonyms of grinch

nounA grouch or killjoy.

• grouch
• killjoyA person who is anti-fun, or prevents others from having fun.
• spoilsportSomeone who puts an end to others' fun, especially harmless fun.
• addle-plotSynonym of spoilsport, one who ruins other's plans or enjoyment of something.
• buzzkill
• cold fishA heartless individual; a person lacking empathy and emotion.
• curmudgeon
• dampener
• downer
• fun spongeSomeone who or something that takes the fun out of life; a killjoy.
• joy killerKilljoy (Someone or something that hinders fun.).
• marplotSynonym of spoilsport, one who ruins other's plans or enjoyment of something.
• miserabilistOne who is unhappy, or extols being miserable as a virtue; a philosopher of pessimism.
• party-pooper
• sourpussA person who is habitually gloomy, sullen or miserable; a grouch; a scowling person.
• stick in the mud
• wet blanketA person who takes the fun out of a situation or activity, as by pessimism, demands, dullness, etc.
• wet ragSynonym of wet blanket.