49 entries under variable topic. ×

41
dubious(noun, adjective, clear, great, rough)
35
uncertain(noun, adjective, clear, rough, honest)
19
unreliable(adjective, uncertainty, uncertain, true, dishonest)
16
unsure(adjective, clear, rough, certain, uncertain)
15
disreputable(adjective, uncertain, doubtful, unsettled, shaky)
15
untrustworthy(adjective, uncertainty, uncertain, dishonest, doubtful)
10
fly-by-night(adjective, uncertain, dishonest, doubtful, deceitful)
9
undependable(adjective, uncertain, dishonest, doubtful, deceitful)
8
shifty(adjective, corrupt, dishonest, deceitful, dubious)
8
tricky(adjective, false, dishonest, deceitful, unpredictable)
7
fallible(adjective, uncertainty, unpredictable, unreliable, fickle)
7
implausible(adjective, weak, great, flat, poor)
6
false(adjective, dishonest, deceitful, unpredictable, unreliable)
6
unconvincing(adjective, weak, great, flat, poor)
5
treacherous(adjective, corrupt, dishonest, deceitful, unpredictable)
5
unpredictable(adjective, uncertain, doubtful, vague, hesitant)
4
fickle(adjective, dishonest, deceitful, unpredictable, unreliable)
4
irresponsible(adjective, dishonest, deceitful, unpredictable, unreliable)
4
underhanded(adjective, corrupt, dishonest, immoral, deceitful)
4
unsound(adjective, uncertain, unsettled, dubious, unpredictable)
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APASmart Define. (2015). questionable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/questionable/thesaurus/synonyms
ChicagoSmart Define. 2015. "questionable thesaurus" https://smartdefine.org/questionable/thesaurus/synonyms (accessed September 20, 2026).
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>