13
unproved(adjective, untried)
8
untested(adjective, new, raw, inexperienced, inexpert)
8
unverified(adjective, experiment, unsubstantiated, experimental)
7
speculative(adjective, theoretical, experiment)
6
unsubstantiated(adjective, untrue, risky, illogical, theoretical)
6
untried(adjective, new, raw, inexperienced, inexpert)
4
groundless
4
probative(adjective, experiment, experimental)
4
tentative(adjective, experiment, experimental)
4
unfounded
3
theoretical
3
unconfirmed
3
undetermined(adjective, determined, unsettled, undecided, hesitating)
3
unsupported
2
baseless
2
dubious(adjective, uncertain, doubtful, supposed, unsubstantiated)
2
experimental(adjective, experimental)
2
hit-or-miss(adjective, experimental)
2
new(adjective, raw, inexperienced, inexpert, untried)
2
questionable(adjective, uncertain, doubtful, dubious, supposed)
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APASmart Define. (2015). unproven thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unproven/thesaurus/synonyms
ChicagoSmart Define. 2015. "unproven thesaurus" https://smartdefine.org/unproven/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, unproven thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unproven/thesaurus/synonyms>.
MLASmart Define. "unproven thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/unproven/thesaurus/synonyms>