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Definitions

unproven

ADJECTIVE
questionable
Synonyms
STRONGEST
ambiguous arguable controversial debatable dubious problematic suspicious vague
WEAK
apocryphal contingent controvertible cryptic disputable dubitable enigmatic equivocal fishy hard to believe hypothetical iffy indecisive indefinite indeterminate moot mysterious obscure occult open to doubt open to question oracular paradoxical problematical provisional shady suspect unconfirmed undefined under advisement under examination unreliable unsettled
Antonyms
STRONGEST
certain clear definite incontrovertible indubious sure trustworthy trusty undoubted unquestionable
WEAK
indisputable proven
ADJECTIVE
speculative
Synonyms
STRONGEST
analytical dangerous experimental hypothetical risky unproved unsubstantiated
WEAK
abstract assumed conceptive dicey formularized hairy hazardous ideal idealized ideological iffy in theory intellectual logical notional philosophical presumed uncertain
Antonyms
STRONGEST
proven safe
ADJECTIVE
superstitious
Synonyms
WEAK
erroneous groundless unfounded untrue
ADJECTIVE
undemonstrated
Synonyms
WEAK
new unpracticed unproved untested
ADJECTIVE
undetermined
Synonyms
STRONGEST
unclear undecided unknown unsettled
STRONG
indeterminate
WEAK
abeyant doubtful equivocal faint irresolute obscure pendent pending vague wavering
Antonyms
STRONGEST
certain decided definite settled sure
WEAK
determined
ADJECTIVE
unfounded
Synonyms
STRONGEST
baseless deceptive fabricated false gratuitous groundless illogical misleading spurious unjustified unsubstantiated untrue untruthful unwarranted
WEAK
fallacious foundationless idle mendacious off-base trumped-up uncalled-for unreal vain without basis without foundation
Antonyms
STRONGEST
called-for correct genuine honest justified real reasonable right true truthful warranted
WEAK
founded proven substantiated supported
ADJECTIVE
unpracticed
Synonyms
WEAK
new undemonstrated unproved untested
ADJECTIVE
unproved
Synonyms
STRONGEST
untested
WEAK
new undemonstrated unpracticed
ADJECTIVE
untested
Synonyms
STRONGEST
unproved
WEAK
new undemonstrated unpracticed
ADJECTIVE
untried
Synonyms
STRONGEST
unproved
WEAK
new
Antonyms
WEAK
established tried
ADJECTIVE
unverified
Synonyms
WEAK
unproved

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Gina: Unproven stamina and has looked to struggle over extended trips at the top level in recent starts.

From BBC • Apr. 9, 2026

Unproven allegations that U.S. zoos mistreated the pandas, known as China’s “national treasure,” flooded China’s social media.

From Washington Times • Nov. 16, 2023

Unproven rookies and Lance Lynn, who led the majors in home runs allowed this season, will fill out the rest of a shaky playoff rotation.

From Los Angeles Times • Oct. 6, 2023

Unproven claims that products can promote weight loss or improve feng shui are forbidden.

From New York Times • Apr. 28, 2023

Unproven and potentially dangerous therapies have become so prevalent that in 2019, Google announced it would ban ads for them.

From The Verge • Nov. 4, 2021

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