7
suspect(adjective, uncertain, doubtful, dubious, unclear)
6
doubtable(uncertain, shaky, dubious, suspect, unclear)
6
dubitable(adjective, uncertain, doubtful, unsettled, shaky)
6
in doubt(expression, adjective, open, uncertain, doubtful)
6
speculative(adjective, uncertain, shaky, vague, unclear)
6
undetermined(adjective, open)
6
vague(adjective, uncertain)
5
ambivalent(adjective, uncertain, conflicting)
5
conjectural
5
deniable(adjective, uncertain)
5
in question(expression, adjective, uncertain, unsettled, dubious)
5
indefinite(adjective, uncertain, doubtful, vague, dubious)
5
precarious(adjective, uncertainty, uncertain, shaky, unclear)
5
refutable(adjective, true, real)
5
tricky(adjective, sticky, challenging)
4
ambiguous(adjective, open, uncertain, doubtful, unsettled)
4
contentious(adjective, doubtful, dubious, questionable, provocative)
4
disputed(adjective, uncertain, doubtful, unsettled, dubious)
4
hypothetical(adjective, supposed, assumed, guessed)
4
in dispute(adjective, controversial)
11 years ago|15k views|share |citing 
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>