60 entries under doubtful topic. ×

2
untrustworthy(uncertainty, uncertain, dubious, suspect)
2
wavering(adjective, open, uncertain, unsure)
1
contingent(uncertain, vague, dubious, unclear)
1
diffident(uncertain, unsure)
1
enigmatic(uncertain, dubious, tricky, sticky)
1
far-fetched(adjective, uncertain, shaky, unclear)
1
fly-by-night(uncertain, unsure)
1
hesitant(open, uncertain, unsure, unresolved)
1
perplexed(uncertain, unsure)
1
reluctant(uncertain, unsure)
1
skeptical(uncertain, unsure)
1
touch and go(expression, adjective, idiom, uncertain)
1
trustless(uncertain, unsure)
1
unapt
1
unassured(uncertain, unsure)
1
undependable(uncertain, unsure)
1
untrusty(uncertain, unsure)
1
up for discussion(expression, adjective, idiom, uncertain)
1
up in the air(expression, adjective, idiom, open, uncertain)
0
questioning(uncertain, unsure)
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APASmart Define. (2015). debatable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/debatable/thesaurus/synonyms
ChicagoSmart Define. 2015. "debatable thesaurus" https://smartdefine.org/debatable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, debatable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/debatable/thesaurus/synonyms>.
MLASmart Define. "debatable thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/debatable/thesaurus/synonyms>