1
protester
1
quarreler
1
resister
1
say nay
1
scrapper
1
sport
1
wet blanket(noun, expression, idiom, pessimist)
1
worrywart(noun, worrier, cynic, doubter)
1
wrangler
0
antagonist
0
atheist
0
cassandra
0
chronic pessimist
0
competitor
0
contestant
0
crepehanger(worrier, cynic, doubter)
0
depreciator(worrier, cynic, doubter)
0
disdainer
0
downer(noun, pessimist)
0
enemy
11 years ago|2.5k views|share |citing 
APASmart Define. (2015). naysayer thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/naysayer/thesaurus/synonyms
ChicagoSmart Define. 2015. "naysayer thesaurus" https://smartdefine.org/naysayer/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, naysayer thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/naysayer/thesaurus/synonyms>.
MLASmart Define. "naysayer thesaurus" 8 September 2015. Web. 25 September 2026. <https://smartdefine.org/naysayer/thesaurus/synonyms>