57 entries under unusual topic. ×

58
doubtful(noun, adjective, clear, open, great)
48
questionable(noun, adjective, clear, great, rough)
30
suspicious(adjective, strange, uncertain, nervous)
25
shady(adjective, strange, corrupt, uncertain)
17
fishy(adjective, great, extraordinary, strange)
6
funny(adjective, strange, odd, suspect)
5
queer(adjective, strange, fantastic, odd)
5
devious(adjective, false, uncertain, dishonest)
4
crazy(adjective, strange, ridiculous, unexpected)
4
erratic(adjective, weak, strange, loose)
4
mysterious(strange, uncertain, doubtful, odd)
4
puzzling(strange, uncertain, unreasonable, vague)
4
strange(adjective, fantastic, irregular, doubtful)
4
weird(adjective, strange, irregular, odd)
3
bizarre(adjective, strange, fantastic, irregular)
3
curious(adjective, strange, odd, ridiculous)
3
eccentric(adjective, strange, fantastic, irregular)
3
oddball(adjective, strange, irregular, unpredictable)
3
outlandish(adjective, extraordinary, strange, amazing)
3
peculiar(adjective, strange, irregular, odd)
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APASmart Define. (2016). dubious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/dubious/thesaurus/synonyms
ChicagoSmart Define. 2016. "dubious thesaurus" https://smartdefine.org/dubious/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, dubious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/dubious/thesaurus/synonyms>.
MLASmart Define. "dubious thesaurus" 4 March 2016. Web. 27 September 2026. <https://smartdefine.org/dubious/thesaurus/synonyms>