by definition

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necessarily adv.
per se adv.

ADVERB

necessarily

Synonyms

STRONGEST

automatically naturally no doubt undoubtedly unquestionably

WEAK

accordingly as a matter of course axiomatically beyond one's control 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

per se

Synonyms

WEAK

alone as such by and of itself by its very nature by itself fundamentally in essence in itself independently intrinsically of itself singularly solely virtually

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.

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by definition

And that – by definition – has long made it a potential target.

From BBC ● Sep. 27, 2026

“Identity by definition is not momentary,” he noted.

From The Wall Street Journal ● Sep. 18, 2026

Open AI models are, by definition, harder to control, as users can alter their parameters -- potentially for malicious purposes.

From Barron's ● Sep. 13, 2026

Regardless, if it doesn’t exceed the recent highs in two more days, that will be a buy signal by definition.

From MarketWatch ● Aug. 14, 2026

Indeed, because all facts are by definition true we tend to think all truths are facts.

From "The Invention of Science" by David Wootton

by definition

Example Sentences

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