A PRIORI Synonyms: 61 Similar and Opposite Words

a priori 1 of 2

adjective

ˌä-prē-ˈȯr-ē

Definition of a priori

as in inferable

being or provable by reasoning in which the conclusion follows necessarily from given information an a priori argument for the defendant's innocence

Synonyms & Similar Words

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Antonyms & Near Antonyms

a priori

2 of 2

adverb

as in early

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of a priori

Adjective

This sort of a priori justification for ESAs explains a few things. — Chandler Fritz, Harpers Magazine, 20 Aug. 2025 One of his most significant contributions was introducing new mathematical tools to model and incorporate a priori data—which relies on deductive reasoning to make predictions—to address signal recovery challenges. — IEEE Spectrum, 3 Oct. 2024 Knowing a priori which stocks will outperform the market is also much more difficult than reviewing the trends that occurred in the past. — Wayne Winegarden, Forbes, 2 Oct. 2024 Alongside this effort, wildlife trafficking should be designated as a predicate offense for wiretap authorizations, which would empower authorities to start gathering intelligence without having to prove a link to other crimes a priori. — Vanda Felbab-Brown, Foreign Affairs, 15 May 2023 See All Example Sentences for a priori

Recent Examples of Synonyms for a priori

Adjective

That would be demonstrated if general relativity is derivable from quantum gravity.

— Amanda Gefter, Quanta Magazine, 25 Sep. 2024
And to little purpose, there being agreement among most faiths on the important morals, generally derivable from the golden rule.

— Letters To The Editor, The Mercury News, 16 Aug. 2024

Definition of derivable

Adverb

That projection is 79% higher than the bank’s estimate from a year earlier.

— Maria Mocerino, Interesting Engineering, 30 Aug. 2026
Tysie Gallagher, Terri Harper and Caroline Dubois beat Americans Brandi Robinson, Miranda Reyes and Amelia Moore, respectively, earlier in the night, while Reina Tellez defeated Jessica Barry for the United States’ only victory.

— Amelie Claydon, New York Times, 30 Aug. 2026

Definition of early

Adjective

None are credible challengers; Matt Conroy is the more reasoned and moderate of the three.

— The Editorial Board, Chicago Tribune, 11 Feb. 2026
This is a time for cool, calm and reasoned debate, and for legislators to think through the consequences of legislation put forth.

— Bobby Zirkin, Baltimore Sun, 15 Jan. 2026

Definition of reasoned

Adverb

Chronic stress, and specifically the stress hormone, cortisol, can push hair follicles prematurely out of the growth cycle into the resting-and-shedding phases.

— Maggie Ryan, Flow Space, 25 Aug. 2026
Abbott Laboratories has agreed to pay $670 million to settle a high-profile lawsuit and claims made on behalf of thousands of others related to allegations that its formula for babies born prematurely causes a dangerous intestinal disease.

— Lisa Schencker, Chicago Tribune, 20 Aug. 2026

Definition of prematurely

Adverb

From the moment Billie learns about Sophie-Rose, the teenager who inherited her legendary fake ID after it was already passed down to multiple other Gen-Z blondes, she’s obsessed.

— Ben Rosenstock, Vulture, 28 Aug. 2026
Announced just last week, fans are already in throes of excitement, with scores of late-night launch events lined up internationally.

— Kyle MacNeill, Vogue, 28 Aug. 2026

Definition of already

Adverb

Although Bridgers hasn’t previously covered Nirvana, her band boygenius did recreate the rock band’s iconic Rolling Stone 1994 cover image in 2023.

— Emily Zemler, Rolling Stone, 27 Aug. 2026
The most useful example turned out to be something Alexa had previously done very well.

— New Atlas, New Atlas, 27 Aug. 2026

Definition of previously

Adverb

Some could be worse than before, while others may not show up at all.

— Andrew Freedman, CNN Money, 25 Aug. 2026
Kendrick only found out about the event a day before and was already prepping for the upcoming Jackson Street Block Party in honor of Gary native Michael Jackson’s birthday.

— Zareen Syed, Chicago Tribune, 25 Aug. 2026

Definition of before

Browse Nearby Words

après

a priori

apropos

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“A priori.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/a%20priori. Accessed 1 Sep. 2026.

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Synonyms of a priori

adjective

adverb

Example Sentences

Browse Nearby Words

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