Definitions

unconfirmed

ADJECTIVE

baseless

Synonyms

STRONGEST

flimsy gratuitous groundless unfounded unjustifiable unjustified unsubstantiated unsupported untenable unwarranted

WEAK

bottomless foundationless reasonless uncorroborated ungrounded

Antonyms

STRONGEST

called-for justified proven reasonable warranted

WEAK

based

ADJECTIVE

doubtful

Synonyms

STRONGEST

debatable dicey dubious hazy indecisive insecure precarious problematic suspicious uncertain undecided uneasy unsettled unstable unsure

WEAK

ambiguous borderline chancy clouded contingent disreputable doubtable dubitable equivocal far-fetched fat chance fishy hazardous iffy impugnable inconclusive indefinite indeterminate indistinct long shot obscure on thin ice open pending shady sneaky speculative suspect touch-and-go touchy up for grabs

Antonyms

STRONGEST

certain clear decided definite determined indubious safe secure settled stable strong sure trustworthy trusty undoubted

WEAK

believing confirmed convinced exact resolved trusting unquestionable

ADJECTIVE

hypothetical

Synonyms

STRONGEST

debatable imaginary problematic speculative theoretical vague

STRONG

academic contingent pretending suspect

WEAK

assumptive casual concocted conditional conjecturable conjectural contestable disputable doubtful equivocal imagined indefinite indeterminate postulated presumptive presupposed provisory putative questionable refutable stochastic supposed suppositional suppositious theoretic uncertain

Antonyms

STRONGEST

certain definite factual real sure

WEAK

calculated confirmed measured proved proven reliable truthful

ADJECTIVE

questionable

Synonyms

STRONGEST

ambiguous arguable controversial debatable dubious problematic suspicious unproven 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 undefined under advisement under examination unreliable unsettled

Antonyms

STRONGEST

certain clear definite incontrovertible indubious sure trustworthy trusty undoubted unquestionable

WEAK

indisputable proven

ADJECTIVE

tentative

Synonyms

STRONGEST

unsettled

WEAK

acting ad interim conjectural contingent dependent iffy indefinite makeshift not final not settled on trial open for consideration probationary provisional provisionary provisory speculative subject to change temporary test trial undecided

Antonyms

WEAK

certain conclusive decisive definite final sure

ADJECTIVE

unapt

Synonyms

WEAK

ambiguous borderline chancy clouded contingent debatable dicey disreputable doubtable dubious dubitable equivocal far-fetched fat chance fishy hazardous hazy iffy improbable impugnable inconclusive indecisive indefinite indeterminate indistinct insecure long shot obscure on thin ice open pending precarious problematic questionable shady sneaky speculative suspect suspicious touch-and-go touchy uncertain undecided uneasy unlikely unsettled unstable unsure up for grabs

ADJECTIVE

uncertain

Synonyms

STRONGEST

ambiguous ambivalent dubious erratic hazy hesitant insecure precarious questionable risky unclear undecided undetermined unpredictable unreliable unresolved unsettled unsure vague

WEAK

chancy conjectural fitful hanging by a thread iffy incalculable inconstant indefinite indeterminate indistinct irregular irresolute on thin ice speculative touch and go unfixed unforeseeable up for grabs up in the air vacillating variable wavering

Antonyms

STRONGEST

certain clear decided definite determined predictable reliable resolved safe secure settled sure trustworthy unchanging undoubted

WEAK

foreseeable

ADJECTIVE

unofficial

Synonyms

STRONGEST

informal personal

WEAK

off the record private uncorroborated unsanctioned

Antonyms

WEAK

authoritative authorized confirmed official

ADJECTIVE

unsubstantiated

Synonyms

STRONGEST

debatable dubious unsupported

WEAK

arguable controversial disputable doubtful dubitable fishy hard to believe iffy indefinite open to doubt open to question suspect suspicious uncertain uncorroborated

Antonyms

STRONGEST

certain sure

ADJECTIVE

void

Synonyms

STRONGEST

null

STRONG

avoided bad dead invalid negated voided

WEAK

forceless fruitless ineffective ineffectual inoperative not viable nugatory null and void set aside sterile unenforceable unfruitful unratified unsanctioned unsuccessful useless vain worthless

Antonyms

STRONG

worthy

WEAK

filled full meaningful occupied valid

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.

Ahead of the meeting, the BBC asked him about unconfirmed reports that the US could shrink its total troop numbers available in the event of an attack on a Nato country.

From BBC • May 22, 2026

Another 486 people were unconfirmed, but she expected most of them “just need to update their information.”

From The Wall Street Journal • Apr. 3, 2026

What’s more, a deal has yet to be announced, raising questions over whether the unconfirmed report is simply that.

From Barron's • Mar. 6, 2026

The ministry provided no evidence to back up its claim that the tanker was attacked by Ukrainian sea drones, although there have been earlier unconfirmed reports of attacks from the Libyan coast.

From BBC • Mar. 4, 2026

Next to unconfirmed news of Dr. Kane, Americans read speculation of another kind.

From "American Spirits" by Barb Rosenstock

unconfirmed

Example Sentences

Related Words