10
pessimist(noun, person, worrier, cynic, doubter)
8
cynical(noun, adjective, feelings, emotions)
7
gloomy(noun, adjective, feelings, uncertain, doubtful)
6
downbeat(adjective, feelings, gloomy, uncertain, doubtful)
6
naysayer(noun, worrier, cynic, doubter, pessimist)
6
negative(noun, adjective, feelings, gloomy, uncertain)
6
negativist
6
pessimistic(noun, adjective, feelings, gloomy, uncertain)
5
prophet of doom(noun, expression, idiom, downer, worrier)
4
hopeless(noun, adjective, feelings, gloomy, uncertain)
3
bleak(noun, adjective, feelings, gloomy, emotions)
3
conqueror
3
despairing(noun, adjective, feelings, emotions)
3
despondent(noun, adjective, feelings, emotions)
3
foilist
3
frustrator
3
router
3
surmounter
3
vanquisher
3
worrywart(worrier, cynic, doubter)
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APASmart Define. (2016). defeatist thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/defeatist/thesaurus/synonyms
ChicagoSmart Define. 2016. "defeatist thesaurus" https://smartdefine.org/defeatist/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, defeatist thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/defeatist/thesaurus/synonyms>.
MLASmart Define. "defeatist thesaurus" 23 March 2016. Web. 22 September 2026. <https://smartdefine.org/defeatist/thesaurus/synonyms>