Definitions

no doubt

ADVERB

easily

Synonyms

STRONGEST

actually certainly clearly definitely probably really surely

WEAK

absolutely almost certainly assuredly beyond question by far decidedly doubtless doubtlessly far and away indeed indisputably indubitably plainly positively truly undeniably undoubtedly unequivocally unquestionably

Antonyms

STRONGEST

doubtfully dubiously indefinitely questionably

WEAK

difficultly doubtedly dubitably

ADVERB

for sure

Synonyms

WEAK

certainly dead sure definitely for a fact for certain for real no question no two ways about it really surely unquestionably

ADVERB

likely

Synonyms

STRONGEST

presumably

WEAK

assumably doubtless doubtlessly in all likelihood in all probability like as not most likely presumptively prima facie seemingly to all appearances

Antonyms

WEAK

improbably unlikely

ADVERB

necessarily

Synonyms

STRONGEST

automatically naturally undoubtedly unquestionably

WEAK

accordingly as a matter of course axiomatically beyond one's control by definition by its own nature cardinally come what may compulsorily consequently exigently from within fundamentally incontrovertibly indubitably ineluctably inescapably inexorably irresistibly of course of necessity perforce positively pressingly significantly unpreventably vitally willy-nilly without fail

Antonyms

STRONGEST

doubtfully questionably

WEAK

unnecessarily

ADVERB

probably

Synonyms

STRONGEST

apparently doubtless perhaps possibly presumably seemingly

STRONG

believably plausibly

WEAK

as likely as not as the case may be assumably dollars to doughnuts expediently feasibly imaginably in all likelihood in all probability like enough maybe most likely one can assume perchance practicably presumptively reasonably to all appearances

Antonyms

STRONGEST

improbably uncertain unlikely

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.

There was no doubt on Monday that Wembanyama came out more motivated than ever.

From The Wall Street Journal • May 19, 2026

At the time, he used smokers as an example of who should lose access, no doubt because smoking is a widely unpopular and indisputably unhealthy behavior.

From Salon • May 18, 2026

They'll do a review, no doubt, but they'll be doing it from a position of strength.

From BBC • May 16, 2026

“I have no doubt that they will remain on excellent terms.”

From Los Angeles Times • May 14, 2026

And there’s no doubt he hoped it was true.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin

no doubt

Example Sentences

Related Words