29
questionable(noun, adjective, open, certain, uncertainty)
24
disputable(noun, adjective, open, certain, uncertainty)
23
moot(noun, adjective, open, certain, uncertain)
21
doubtful(noun, adjective, open, certain, uncertain)
21
uncertain(noun, adjective, open, certain, uncertain)
20
problematic(adjective, open, certain, uncertain, doubtful)
19
arguable(noun, adjective, certain, uncertain, doubtful)
19
controversial(noun, adjective, open, uncertain, doubtful)
18
dubious(noun, adjective, open, uncertain, doubtful)
17
undecided(noun, adjective, open, uncertain, definite)
17
unsettled(noun, adjective, open, uncertain, doubtful)
11
problematical(adjective, certain, uncertain, doubtful, dubious)
10
open(adjective, uncertain, doubtful, unsettled, shaky)
9
contestable(adjective, uncertain, controversial)
9
unresolved(adjective, open, uncertain, doubtful, unsettled)
9
unsure(adjective, open, uncertain, doubtful, dubious)
8
iffy(adjective, open, uncertain, doubtful, dubious)
8
suspicious(adjective, uncertain, doubtful, dubious, unclear)
7
controvertible(adjective, reasoning)
7
open to question(expression, adjective, idiom, uncertain, doubtful)
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APASmart Define. (2015). debatable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/debatable/thesaurus/synonyms
ChicagoSmart Define. 2015. "debatable thesaurus" https://smartdefine.org/debatable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, debatable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/debatable/thesaurus/synonyms>.
MLASmart Define. "debatable thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/debatable/thesaurus/synonyms>