115 entries under dubious topic. ×

1
perplexed(uncertain, doubtful, hesitant)
1
puzzled(uncertain, hesitant)
1
questioning(uncertain, nervous, doubtful, hesitant)
1
sneaky(adjective, open, uncertain, dishonest, unsettled)
1
touch and go(expression, adjective, idiom, delicate, uncertain)
1
unlikely(adjective, open, obscure, uncertain, doubtful)
1
without belief(expression, uncertain, hesitant)
0
in a quandary(expression, adjective, idiom, uncertain, doubtful)
0
like doubting Thomas(expression, idiom, uncertain, hesitant)
0
theoretical(uncertain, hesitant)
0
crooked(adjective, false, dishonest, deceitful)
0
different(suspect, shady)
0
farfetched(suspect, shady)
0
funny(suspect, shady)
0
incredible(adjective, poor, thin, small, inadequate)
0
not dependable(expression, adjective, false, uncertain, dishonest)
0
not kosher(expression, suspect, shady)
0
odd(adjective, doubtful, suspicious)
0
open to doubt(expression, idiom, suspect, shady)
0
out of line(expression, idiom, suspect, shady)
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APASmart Define. (2016). unsure thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unsure/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsure thesaurus" https://smartdefine.org/unsure/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unsure thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unsure/thesaurus/synonyms>.
MLASmart Define. "unsure thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/unsure/thesaurus/synonyms>