Synonyms|389Antonyms|43|Broader|4Narrower|1Related|200
12
incredulous(adjective, unbelieving)
11
suspicious
10
skeptical
8
suspecting(verb, adjective, unwarned)
6
unbelieving
4
sceptical(adjective, suspicious)
4
disbelieving
3
questioning
3
shrewd
2
jealous
2
mistrustful
2
artful
2
dubious
2
half-hearted
2
hesitant
2
mature
2
untrusting
1
end
1
fishy
1
knowing
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APASmart Define. (2016). credulous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/credulous/thesaurus/antonyms
ChicagoSmart Define. 2016. "credulous thesaurus" https://smartdefine.org/credulous/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, credulous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/credulous/thesaurus/antonyms>.
MLASmart Define. "credulous thesaurus" 23 March 2016. Web. 27 September 2026. <https://smartdefine.org/credulous/thesaurus/antonyms>