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.

They showed why they had persuaded the England coach, despite limited returns to that point at international level, to have no doubt in making 'Kemp-son' her engine room.

From BBC • Jun. 20, 2026

“This is a milestone, there’s no doubt about it,” Wamsted said.

From Los Angeles Times • Jun. 18, 2026

As host, Macron was officially chairing the summit but Trump left no doubt over who he believed was in charge.

From Barron's • Jun. 17, 2026

Still, specialists will no doubt question some of Mr. Asbridge’s choices.

From The Wall Street Journal • Jun. 12, 2026

He was a good swimmer, but he had no doubt that Nicole was better.

From "Storm Runners" by Roland Smith

no doubt

Example Sentences

Related Words