193 entries under adjective topic. ×

7
contingent(conditional, experimental)
7
probative(experiment, experimental)
7
vacillant(shy, doubtful, decide, hesitant)
6
empirical(essay, experimental)
6
provisory(limited, conditional, experimental)
6
dependent(conditional, experimental)
6
faltering(weak, uncertain, shy, doubtful)
6
doubtful(open, weak, uncertain, shy)
6
provisionary(unsettled, temporary, speculative, contingent)
6
vacillating(weak, uncertain, nervous, shy)
5
ambivalent(open, uncertain, shy, doubtful)
5
exploratory(new, unsettled, trial, untried)
5
halfhearted(weak, uncertain, doubtful, hesitant)
5
hit-or-miss
5
infirm(weak, indecisive, irresolute, vacillating)
5
insecure(uncertain, doubtful, vague, unsure)
5
investigative
5
vacillatory(uncertain, shy, doubtful, decide)
5
careful(thoughtful, vague, prudent, ambiguous)
5
changeable(uncertain, doubtful, hesitant, indefinite)
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APASmart Define. (2015). tentative thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/tentative/thesaurus/synonyms
ChicagoSmart Define. 2015. "tentative thesaurus" https://smartdefine.org/tentative/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, tentative thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/tentative/thesaurus/synonyms>.
MLASmart Define. "tentative thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/tentative/thesaurus/synonyms>