1
downer(noun, drag, worrier, cynic, killjoy)
1
gloomy(noun, downer, worrier, cynic, quitter)
1
gloomy Gus
1
grump
1
poor sport(expression, killjoy, spoilsport)
0
misanthrope(noun, downer, worrier, cynic, quitter)
0
blanket
0
cold water(expression, killjoy, spoilsport)
0
crasher
0
crepehanger(noun, downer, worrier, cynic, doubter)
0
depreciator(noun, downer, worrier, cynic, doubter)
0
drag(killjoy, spoilsport)
0
fatalist
0
fuddy-duddy
0
fusspot
0
hinderer
0
loser
0
marplot(killjoy, spoilsport)
0
naysayer(noun, pessimist)
0
nonparticipant
11 years ago|5k views|share |citing 
APASmart Define. (2015). party pooper thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/party_pooper/thesaurus/synonyms
ChicagoSmart Define. 2015. "party pooper thesaurus" https://smartdefine.org/party_pooper/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, party pooper thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/party_pooper/thesaurus/synonyms>.
MLASmart Define. "party pooper thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/party_pooper/thesaurus/synonyms>