99 entries under doubtful topic. ×

1
dubious(adjective, open, uncertain, vague)
1
academic(adjective, uncertain, vague, logical)
1
afraid(uncertain, nervous, shy, hesitant)
1
ambiguous(open, careful, vague, wary)
1
assumed(uncertain, academic, speculative, hypothetical)
1
changing(adjective, weak, uncertain, hesitant)
1
dawdling(adjective, uncertain, shy, hesitant)
1
delaying(adjective, uncertain, shy, hesitant)
1
doubting(adjective, weak, uncertain, shy)
1
fluctuating(adjective, weak, uncertain, hesitant)
1
half-hearted(adjective, uncertain, shy, hesitant)
1
hanging back(expression, adjective, uncertain, shy)
1
hot-and-cold(adjective, weak, uncertain, hesitant)
1
hypothetical(adjective, uncertain, academic, speculative)
1
iffy(adjective, open, uncertain, vague)
1
indeterminate(uncertain, vague, indefinite, wavering)
1
lacking confidence(expression, adjective, uncertain, shy)
1
of two minds(expression, idiom, open, uncertain)
1
on-the-fence(adjective, weak, uncertain, careful)
1
skeptical(adjective, uncertain, shy, unsettled)
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APASmart Define. (2015). tentative thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/tentative/thesaurus/synonyms
ChicagoSmart Define. 2015. "tentative thesaurus" https://smartdefine.org/tentative/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, tentative thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/tentative/thesaurus/synonyms>.
MLASmart Define. "tentative thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/tentative/thesaurus/synonyms>