45 entries under expression topic. ×

1
at long odds
1
below par(adjective, inadequate, useless, inappropriate)
1
beyond belief(adjective, unbelievable, unthinkable, unimaginable)
1
beyond reason(extraordinary, strange, unbelievable, implausible)
1
far out(verb, phrasal verb, unbelievable, improbable)
1
laid low(adjective, inadequate, useless, inappropriate)
1
more than doubtful
1
not fit(adjective, inadequate, useless, inappropriate)
1
not likely(adjective, idiom, doubtful, dubious)
1
out of element(adjective, idiom, inadequate, useless)
1
out of place(adjective, idiom, inadequate, useless)
1
out of shape(adjective, idiom, inadequate, useless)
1
out of the ordinary(adjective, idiom, light, thin)
1
outside chance(adjective, doubtful, dubious, implausible)
1
touch and go(idiom, uncertain, doubtful, unsure)
0
anything is possible(idiom, possibility)
0
be unable to
0
blue sky(adjective, fantastic, imaginary, unbelievable)
0
castles in the air(adjective, idiom, fantastic, imaginary)
0
contrary to reason(idiom, impossibility)
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APASmart Define. (2015). unlikely thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unlikely/thesaurus/synonyms
ChicagoSmart Define. 2015. "unlikely thesaurus" https://smartdefine.org/unlikely/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unlikely thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unlikely/thesaurus/synonyms>.
MLASmart Define. "unlikely thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/unlikely/thesaurus/synonyms>