Synonyms|786Antonyms|286|Broader|13Narrower|11Related|3k
2
incalculable(adjective, unreliable, insecure, treacherous)
2
inexact(adjective, rough, vague, sketchy, woolly)
2
inexplicit(adjective, uncertain, vague, unclear, ambiguous)
2
inferior
2
iniquitous
2
insulting
2
irregular(unusual, strange, doubtful, vague, hesitant)
2
irresolute(adjective, doubtful, vague, hesitant, changeable)
2
mad(adjective, unusual, strange, unexpected)
2
mistrustful
2
mootable(adjective, certain, uncertain, doubtful, dubious)
2
odd(adjective, unusual, strange, irregular, doubtful)
2
offensive
2
open to suspicion(expression, idiom, unbelief doubt)
2
outrageous
2
perplexing(unclear, indistinct, indistinguishable)
2
polemic
2
poor
2
remote(adjective, doubtful, dubious, improbable)
2
ropy
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HarvardSmart Define 2015, questionable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/questionable/thesaurus/synonyms>.
MLASmart Define. "questionable thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/questionable/thesaurus/synonyms>