43 entries under implausible topic. ×

2
unimaginable(adjective, extraordinary, amazing, doubtful, unlikely)
1
flaky(adjective, great, extraordinary, fantastic, amazing)
1
flimsy(extraordinary, amazing, doubtful, absurd, unlikely)
1
hundred-to-one(doubtful, unlikely)
1
iffy(uncertain, doubtful, shaky, unclear, unlikely)
1
incogitable(extraordinary, amazing, absurd, preposterous)
1
not expected(expression, doubtful, unlikely)
1
not likely(expression, doubtful, unlikely, unbelievable)
1
outside chance(expression, doubtful, unlikely)
1
phony(extraordinary, amazing, unbelievable, incredible)
1
slim(doubtful, unlikely)
1
slim and none(expression, idiom, doubtful, unlikely)
1
thin(extraordinary, amazing, unlikely, unbelievable)
1
uncertain(doubtful, unclear, unsure, unlikely, questionable)
1
unheard of(expression, doubtful, unlikely)
1
unsubstantial(extraordinary, amazing, doubtful, unlikely)
1
weak(extraordinary, amazing, doubtful, unlikely)
0
impracticable(doubtful, unlikely)
0
insupposable(absurd, unbelievable, preposterous, improbable)
0
mind-boggling(adjective, extraordinary, fantastic, amazing, unbelievable)
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APASmart Define. (2015). far-fetched thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/far-fetched/thesaurus/synonyms
ChicagoSmart Define. 2015. "far-fetched thesaurus" https://smartdefine.org/far-fetched/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, far-fetched thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/far-fetched/thesaurus/synonyms>.
MLASmart Define. "far-fetched thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/far-fetched/thesaurus/synonyms>