24 entries under improbable topic. ×

12
implausible(adjective, hard, difficult, likely, unlikely)
8
improbable(adjective, unreasonable, dubious, unlikely, flimsy)
8
unlikely(adjective, unbelievable, unbelieveable)
7
incredible(adjective, unreasonable, dubious, unlikely, flimsy)
6
doubtful(adjective, unreasonable, dubious, suspect, shady)
4
dubious(adjective, unreasonable, suspect, shady, unlikely)
2
far-fetched(unlikely, unbelievable)
2
unbelievable(adjective, hard, difficult, unreasonable, dubious)
1
dubitable
1
obscure(unreasonable, dubious, unlikely, flimsy, unbelievable)
1
problematic(unreasonable, dubious, suspect, shady, unlikely)
1
suspect(unreasonable, dubious, shady, unlikely, flimsy)
1
unconvincing(adjective, unreasonable, dubious, unlikely, flimsy)
0
far out(expression, unreasonable, dubious, unlikely, flimsy)
0
flimsy(unreasonable, dubious, unlikely, unbelievable)
0
inconceivable(unreasonable, dubious, unlikely, flimsy, unbelievable)
0
not likely(expression, unreasonable, dubious, unlikely, flimsy)
0
puzzling(unreasonable, dubious, unlikely, flimsy, unbelievable)
0
questionable(dubious, suspect, shady, unlikely, unbelievable)
0
reachy(unreasonable, dubious, unlikely, flimsy, unbelievable)
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APASmart Define. (2015). farfetched thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/farfetched/thesaurus/synonyms
ChicagoSmart Define. 2015. "farfetched thesaurus" https://smartdefine.org/farfetched/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, farfetched thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/farfetched/thesaurus/synonyms>.
MLASmart Define. "farfetched thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/farfetched/thesaurus/synonyms>