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.

See Examples For:

no doubt

Kelly Newman, of the Crown Prosecution Service, said after the sentencing: "Those who seek to help murderers evade justice should be in no doubt that they too will be held accountable for their actions."

From BBC ● Jul. 17, 2026

They’ll no doubt have advice on the critical question of whether an AI productivity boom is really taking hold.

From The Wall Street Journal ● Jul. 14, 2026

"There is no doubt that this document is in crisis," foreign ministry spokesman Esmaeil Baqaei said of the June memorandum of understanding.

From Barron's ● Jul. 13, 2026

His receipt of the Combat Action Ribbon leaves no doubt of his sacrifice—they do not just hand those out.

From Slate ● Jul. 10, 2026

“Simon, I have no doubt that you are an excellent thief, and a dreadful knave, and a rascally rogue as well. But you would be far too conspicuous in an all-girls’ school.

From "The Interrupted Tale" by Maryrose Wood

no doubt

Example Sentences

See Examples For:

Related Words