43 entries under implausible topic. ×

16
improbable(adjective, hard, extraordinary, uncertain, fantastic)
14
unlikely(adjective, hard, strange, uncertain, fantastic)
9
incredible(adjective, hard, great, extraordinary, strange)
9
unbelievable(adjective, hard, great, extraordinary, strange)
8
doubtful(adjective, hard, extraordinary, uncertain, fantastic)
8
preposterous(adjective, hard, great, extraordinary, strange)
7
dubious(adjective, hard, uncertain, doubtful, unclear)
6
questionable(adjective, uncertain, doubtful, absurd, unclear)
5
absurd(adjective, wrong, strange, foolish, stupid)
4
illogical(adjective, hard, fantastic, irrational, arbitrary)
4
ridiculous(adjective, marvelous, fantastic, absurd)
4
unconvincing(adjective, hard, extraordinary, fantastic, amazing)
3
impossible(adjective, extraordinary, amazing, unlikely)
3
inconceivable(adjective, extraordinary, amazing, doubtful, absurd)
3
rare(doubtful, unlikely)
3
unthinkable(adjective, extraordinary, amazing, unbelievable)
2
beyond belief(expression, adjective, extraordinary, amazing, absurd)
2
fanciful(adjective, strange, fantastic, doubtful, rare)
2
outlandish(experience, marvelous, distant, different, unfamiliar)
2
suspect(uncertain, doubtful, absurd, unclear, questionable)
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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>