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beyond doubt

ADJECTIVE

assured

Synonyms

STRONGEST

guaranteed settled sure

STRONG

cinched clear-cut clinched confirmed decided racked sealed secure set

WEAK

definite in the bag indubitable irrefutable made certain nailed down on ice positive pronounced sewed-up surefire undoubted unquestionable

Antonyms

STRONGEST

indefinite uncertain unsure

STRONG

undecided vague

WEAK

doubted doubtful

ADJECTIVE

definite

Synonyms

STRONGEST

defined precise

WEAK

assigned assured circumscribed convinced decided determinate determined established guaranteed limited narrow prescribed restricted set settled sure

Antonyms

WEAK

imprecise indefinite indeterminate indistinct inexact not clear obscure uncertain unclear undefined unfixed unlimited vague

ADJECTIVE

undeniable

Synonyms

STRONGEST

certain evident indisputable irrefutable obvious unassailable unquestionable

WEAK

actual beyond question binding clear compulsory for sure inarguable incontestable incontrovertible indubitable manifest necessary no ifs and or buts obligatory open and shut patent positive real sound sure sure thing true unanswerable undoubted

Antonyms

STRONGEST

disputable doubtful dubious indefinite obscure questionable refutable uncertain unclear unreliable unsure vague

WEAK

contestable doubted unproven

ADVERB

beyond a shadow of a doubt

Synonyms

WEAK

absolutely beyond a doubt beyond any doubt categorically certainly clearly definitely indubitably no ifs ands or buts about it obviously undeniably unquestionably

ADVERB

clearly

Synonyms

STRONGEST

apparently certainly definitely distinctly evidently obviously openly plainly positively precisely seemingly surely undoubtedly

WEAK

acutely audibly conspicuously decidedly discernibly incontestably incontrovertibly indubitably lucidly manifestly markedly noticeably overtly patently penetratingly perceptibly prominently purely recognizably sharply sonorously translucently transparently undeniably unmistakably

Antonyms

STRONGEST

doubtfully dubiously equivocally questionably uncertain

WEAK

indefinitely indistinctly mysteriously vaguely

ADVERB

genuinely

Synonyms

STRONGEST

absolutely actually authentically certainly fairly honestly indeed

WEAK

admittedly as a matter of fact assuredly categorically de facto easily for fair in actuality in effect in fact in point of fact in reality indub

ADVERB

really

Synonyms

STRONGEST

absolutely actually certainly easily genuinely honestly indeed legitimately literally surely truly undoubtedly unquestionably well

WEAK

admittedly as a matter of fact assuredly authentically categorically de facto for real in actuality in effect in fact in point of fact in reality indubitably no ifs ands or buts nothing else but of course positively precisely unmistakably verily

Antonyms

STRONGEST

doubtfully dubiously indefinite questionably

ADVERB

surely

Synonyms

STRONGEST

absolutely assuredly certainly clearly definitely evidently indeed inevitably inexorably plainly undoubtedly unquestionably

WEAK

admittedly beyond shadow of doubt come what may conclusively decidedly distinctly doubtlessly explicitly fixedly for certain indubitably infallibly irrefutably manifestly nothing else but positively rain or shine to be sure unequivocally unerringly unfailingly unmistakably unshakably with certainty without fail

Antonyms

STRONGEST

doubtfully dubiously indefinite indefinitely questionably vaguely

WEAK

uncertain

ADVERB

truly

Synonyms

STRONGEST

absolutely actually definitely exactly genuinely honestly legitimately positively rightly sincerely surely very

WEAK

accurately authentically beyond question confirmedly constantly correctly de facto devotedly factually faithfully firmly honorably in actuality in fact in reality in truth loyally precisely reliably righteously staunchly steadily truthfully unequivocally veraciously veritably with all one's heart with devotion without a doubt

Antonyms

STRONGEST

doubtfully questionably

WEAK

dubiously indefinite

ADVERB

verily

Synonyms

WEAK

absolutely actually admittedly as a matter of fact assuredly authentically categorically certainly de facto easily fairly for fair for real genuinely honestly in actuality in effect in fact in point of fact in reality indeed indubitably legitimately literally no ifs ands or buts nothing else but of course positively precisely surely truly truthfully undoubtedly unmistakably unquestionably well

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.

"Convergent evidence shows beyond doubt that ecological diversity sits at the heart of our species," said Professor Eleanor Scerri, senior author of the study.

From Science Daily • May 20, 2026

What is beyond doubt is the better - much better - team prevailed on this day.

From BBC • Mar. 22, 2026

Mohamed Salah would score in stoppage time to put the result beyond doubt.

From BBC • Feb. 9, 2026

Jack asked me, knowing beyond doubt that he’d crossed the Rubicon.

From The Wall Street Journal • Jan. 26, 2026

Cal stared fiercely at his brother, at the pale hair and the wide-set eyes, and suddenly he knew why his father loved Aron, knew it beyond doubt.

From "East of Eden" by John Steinbeck

beyond doubt

Example Sentences

Related Words