5
easy(adjective, simple, innocent, wise, real)
5
inexperienced(adjective, simple, silly, stupid, innocent)
5
naif
5
unquestioning(adjective, naive, gullible)
4
believable
4
infatuated(adjective, passionate, violent, enthusiastic, fervent)
4
spontaneous(simple, easy, pure, fresh, innocent)
4
stupid(adjective, silly, green, fat, thick)
4
suggestible(adjective, person, feelings, susceptible, emotions)
4
superstitious(adjective, credulity)
3
accepting(adjective, innocent, susceptible, naive, gullible)
3
besotted
3
fanatical(adjective, fervent, zealous, dedicated, obsessive)
3
fond
3
overcredulous
3
overtrusting(adjective, naive, gullible, unsuspicious, trustful)
3
persuadable(adjective, person, feelings, emotions)
3
pliant(adjective, person, feelings, susceptible, emotions)
3
silly(adjective, foolish, stupid, innocent, green)
3
soft(adjective, silly, stupid, fat, thick)
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APASmart Define. (2016). credulous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/credulous/thesaurus/synonyms
ChicagoSmart Define. 2016. "credulous thesaurus" https://smartdefine.org/credulous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, credulous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/credulous/thesaurus/synonyms>.
MLASmart Define. "credulous thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/credulous/thesaurus/synonyms>