2
uncertain(adjective, uncertain)
2
undecided(adjective, uncertain)
2
unsustainable
2
vague(adjective, uncertain)
1
ambivalent(adjective, uncertain)
1
changeable(adjective, uncertain)
1
confused(adjective, uncertain)
1
conjecturable(adjective, vague, imaginary, theoretical, supposed)
1
conjectural
1
contentious
1
contradictable
1
debateable(adjective, contentious, provocative, debated)
1
disputant
1
doubtable(adjective, contentious, provocative, debated)
1
iffy
1
impugnable
1
in dispute(adjective, uncertain, doubtful, dubious, questionable)
1
in question
1
mysterious(adjective, uncertain)
1
open
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APASmart Define. (2015). contestable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/contestable/thesaurus/synonyms
ChicagoSmart Define. 2015. "contestable thesaurus" https://smartdefine.org/contestable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, contestable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/contestable/thesaurus/synonyms>.
MLASmart Define. "contestable thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/contestable/thesaurus/synonyms>