33 entries under adjective topic. ×

5
inconceivable(reasonable, belief, implausible, unconvincing)
5
difficult(implausible, unconvincing)
4
unbelievable(implausible, plausible, unconvincing)
4
unthinkable(unusual, incredible)
3
improbable
3
incredible
3
unimaginable
3
unreasonable
2
implausible
2
impossible
2
nameless
0
ambiguous
0
clandestine
0
covert
0
deep
0
definite
0
foggy
0
gloomy
0
impalpable
0
impenetrable
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APASmart Define. (2015). conceivable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/conceivable/thesaurus/antonyms
ChicagoSmart Define. 2015. "conceivable thesaurus" https://smartdefine.org/conceivable/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, conceivable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/conceivable/thesaurus/antonyms>.
MLASmart Define. "conceivable thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/conceivable/thesaurus/antonyms>