2
unskeptical(adjective, innocent, susceptible, naive, nonresistant)
2
vulnerable(adjective, easy, ready, subject, sensitive)
1
envious
1
unripe
1
accessible
1
accommodating(adjective, calm, light, soft, informal)
1
affected(adjective, easy, ready, subject, sensitive)
1
amenable(adjective, calm, light, soft, informal)
1
aroused(adjective, easy, ready, subject, sensitive)
1
be taken in(adjective, easy, ready, subject, sensitive)
1
benign(adjective, calm, light, soft, informal)
1
biddable(adjective, calm, light, soft, informal)
1
charitable(adjective, calm, light, soft, informal)
1
chaste
1
clement(adjective, calm, light, soft, informal)
1
compassionate(adjective, calm, light, soft, informal)
1
compliant(adjective, calm, light, soft, informal)
1
condoning(adjective, calm, light, soft, informal)
1
credulity
1
cullible
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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>