5
crazy(adjective, calm, sound, fantastic, unrealistic)
4
paranoid
1
impalpable(adjective, palpable, unsubstantial, intangible)
0
aper(calm, sound)
0
bad
0
bats in the belfry(expression, idiom, calm, sound)
0
beyond all reason(expression, idiom, reasonable, sensible)
0
beyond reason(expression, reasonable, sensible)
0
derisory(reasonable, sensible)
0
dishonorable(adjective, bad)
0
disrespected(adjective, bad, superstar, meritable, palmary)
0
doubtful(adjective, weak, insignificant)
0
dubious(adjective, weak, insignificant)
0
ill-conceived(reasonable, sensible)
0
implausible(adjective, weak, insignificant)
0
impossible(adjective, inapt)
0
impotent(adjective, weak, insignificant)
0
improbable(adjective, weak, insignificant)
0
inapt
0
incredible(adjective, weak, insignificant)
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APASmart Define. (2011). believeable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/believeable/thesaurus/antonyms
ChicagoSmart Define. 2011. "believeable thesaurus" https://smartdefine.org/believeable/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2011, believeable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/believeable/thesaurus/antonyms>.
MLASmart Define. "believeable thesaurus" 23 May 2011. Web. 22 September 2026. <https://smartdefine.org/believeable/thesaurus/antonyms>