63 entries under vague topic. ×

1
unconfirmed(adjective, doubtful, unsettled, hesitant)
1
undetermined(adjective, open, weak, uncertain, doubtful)
1
unpredictable(adjective, uncertain, shy, doubtful)
1
unproved(adjective, new, trial, intellectual)
1
up in the air(expression, adjective, idiom, open, uncertain)
1
waffling(adjective, open, weak, uncertain, doubtful)
1
wishy-washy(open, weak, uncertain, doubtful)
0
chancy(uncertain, doubtful, unsure)
0
dithering(open, hesitant, wavering, indecisive)
0
fitful(doubtful, unsure)
0
hanging by a thread(expression, idiom, doubtful, unsure)
0
hazy(doubtful, unsure)
0
in doubt(expression, open, doubtful, unsure)
0
incalculable(doubtful, unsure)
0
inconstant(doubtful, hesitant, unsure, wavering)
0
indistinct(doubtful, unsure)
0
irregular(doubtful, unsure)
0
on thin ice(expression, idiom, doubtful, unsure)
0
touch and go(expression, idiom, doubtful, unsure)
0
unfixed(doubtful, unsure)
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APASmart Define. (2015). tentative thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tentative/thesaurus/synonyms
ChicagoSmart Define. 2015. "tentative thesaurus" https://smartdefine.org/tentative/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, tentative thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tentative/thesaurus/synonyms>.
MLASmart Define. "tentative thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/tentative/thesaurus/synonyms>