26 entries under spoilsport topic. ×

18
wet blanket(noun, expression, idiom, person, hindrance)
11
party pooper(noun, expression, idiom, hindrance, drag)
11
damper(noun, hindrance)
9
pessimist(noun, person)
7
grouch
7
sourpuss(noun, drag, downer, grouch, worrier)
4
prophet of doom(noun, expression, idiom, downer, worrier)
4
dampener
4
malcontent(noun, drip)
4
misery
3
drag
2
grinch
2
marplot
1
downer(noun, drag, worrier, cynic, quitter)
0
cold water
0
complainer
0
doomsdayer
0
moaner
0
partypooper
0
pessimistic person
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APASmart Define. (2015). killjoy thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/killjoy/thesaurus/synonyms
ChicagoSmart Define. 2015. "killjoy thesaurus" https://smartdefine.org/killjoy/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, killjoy thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/killjoy/thesaurus/synonyms>.
MLASmart Define. "killjoy thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/killjoy/thesaurus/synonyms>