Synonyms|387Antonyms|77|Broader|1Narrower|9Related|620
3
superstitious(adjective, credulity)
2
believing(adjective, innocent, green, susceptible, naive)
2
biting(adjective, innocent, susceptible, naive, trusting)
2
unquestioning
2
befoolable
2
brainless(adjective, dull, simple, slow, silly)
2
cheat
2
childish
2
convinced
2
covetous
2
deceivable(adjective, calm, light, soft, informal)
2
deceive
2
deceived
2
deludable(adjective, calm, light, soft, informal)
2
dumb(adjective, dull, simple, slow, silly)
2
dupe
2
easily fooled
2
fool
2
foolable
2
greenish
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APASmart Define. (2016). gullible thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/gullible/thesaurus/synonyms
ChicagoSmart Define. 2016. "gullible thesaurus" https://smartdefine.org/gullible/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, gullible thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/gullible/thesaurus/synonyms>.
MLASmart Define. "gullible thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/gullible/thesaurus/synonyms>