193 entries under adjective topic. ×

1
unconfirmed(doubtful, unsettled, vague, hesitant)
1
under probation(expression, new, trial, untried)
1
undetermined(open, weak, uncertain, doubtful)
1
uneager(uncertain, shy, doubtful, hesitant)
1
unpolished
1
unpredictable(uncertain, shy, doubtful, vague)
1
unproved(new, trial, vague, intellectual)
1
up in the air(expression, idiom, open, uncertain)
1
waffling(open, weak, uncertain, doubtful)
1
weak-minded
1
wimpy(weak, uncertain, nervous, doubtful)
0
approximate
0
balloon(experimental, probationary, investigative, examining)
0
basic
0
dainty
0
emergency
0
expedient
0
fundamental
0
higher
0
inductive(probationary, exploratory)
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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>