Synonyms|786Antonyms|286|Broader|13Narrower|11Related|3k

55 entries under expression topic. ×

7
in doubt(adjective, idiom, clear, certain)
6
in question(adjective, idiom, clear, weak)
5
open to question(adjective, idiom, uncertain, doubtful)
4
not kosher(dubious, suspect, shady)
3
hard to believe(adjective, idiom, unbelief doubt)
3
open to doubt(adjective, idiom, uncertain, doubtful)
2
beyond belief(extraordinary, amazing, absurd, implausible)
2
open to suspicion(idiom, unbelief doubt)
2
up for discussion(adjective, idiom, uncertain, unsettled)
1
clear as dishwater(idiom, uncertain, vague, unclear)
1
for the birds(idiom, extraordinary, amazing, unlikely)
1
full of holes(idiom, extraordinary, amazing, unlikely)
1
hard of belief
1
more than doubtful
1
not deserving belief
1
not expected(doubtful, unlikely, implausible)
1
not likely(doubtful, dubious, unlikely, implausible)
1
on thin ice(idiom, doubtful, shaky, vague)
1
outside chance(doubtful, dubious, unlikely, implausible)
1
past belief(extraordinary, amazing, incredible)
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HarvardSmart Define 2015, questionable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/questionable/thesaurus/synonyms>.
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