78 entries under suspicious topic. ×

58
doubtful(noun, adjective, clear, open, great)
48
questionable(noun, adjective, clear, great, rough)
38
uncertain(noun, adjective, clear, open, rough)
26
unreliable(adjective, delicate, uncertain, true, nervous)
25
shady(adjective, unusual, strange, corrupt, uncertain)
21
unsure(adjective, clear, open, rough, delicate)
20
suspect(verb, adjective, great, extraordinary, uncertain)
20
untrustworthy(adjective, uncertain, nervous, dishonest, doubtful)
17
fishy(adjective, great, extraordinary, unusual, strange)
17
undecided(noun, adjective, open, certain, doubt)
16
problematic(adjective, clear, open, rough, delicate)
15
unlikely(adjective, open, slight, uncertain, doubtful)
15
unsettled(noun, adjective, open, rough, delicate)
14
equivocal(adjective, clear, open, rough, delicate)
14
undependable(adjective, uncertain, nervous, dishonest, doubtful)
13
iffy(adjective, clear, open, delicate, informal)
13
shaky(adjective, delicate, uncertain, nervous, unstable)
12
indecisive(adjective, clear, open, delicate, certain)
12
distrustful(adjective, uncertain, nervous, doubtful, unsettled)
12
skeptical(adjective, certain, doubt, uncertain, nervous)
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APASmart Define. (2016). dubious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/dubious/thesaurus/synonyms
ChicagoSmart Define. 2016. "dubious thesaurus" https://smartdefine.org/dubious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, dubious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/dubious/thesaurus/synonyms>.
MLASmart Define. "dubious thesaurus" 4 March 2016. Web. 24 September 2026. <https://smartdefine.org/dubious/thesaurus/synonyms>