Synonyms|41Antonyms|38|Broader|2Narrower|4Related|14
19
party pooper(noun, expression, idiom, killjoy)
18
wet blanket(noun, expression, idiom, person, grouch)
16
killjoy
5
sourpuss(noun, killjoy)
4
grouch(noun, killjoy)
4
grinch(noun, grouch, killjoy)
3
cockblock
3
damper(noun, killjoy)
3
buzzkill
3
dampener(noun, grouch)
2
malcontent(noun, killjoy)
2
misery(noun, killjoy)
2
pessimist
2
Cassandra
2
cold water(noun, expression, killjoy)
2
fusspot
2
grump
2
prophet of doom
1
damp
1
gloomy Gus
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APASmart Define. (2015). spoilsport thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/spoilsport/thesaurus/synonyms
ChicagoSmart Define. 2015. "spoilsport thesaurus" https://smartdefine.org/spoilsport/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, spoilsport thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/spoilsport/thesaurus/synonyms>.
MLASmart Define. "spoilsport thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/spoilsport/thesaurus/synonyms>