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

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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

In layman’s terms, critical thinking is the ability to think independently by questioning claims, weighing evidence, and making reasoned judgments.

— Ted Ladd, Forbes.com, 29 Aug. 2026
None are credible challengers; Matt Conroy is the more reasoned and moderate of the three.

— The Editorial Board, Chicago Tribune, 11 Feb. 2026

Definition of reasoned

Adverb

Salesforce’s recent blowout earnings show why the balance of power may be shifting away from frontier models and back toward software companies that investors had prematurely left for dead.

— Jeffrey Sonnenfeld, Steven Tian and Stephen Henriques, CNBC, 29 Aug. 2026
The girls have faced numerous health challenges since being born prematurely at 30 weeks, including brain bleeds, cardiac arrest and stroke, and have been in and out of hospitals for much of their lives.

— Erin Clack, PEOPLE, 29 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

It was widely believed that Koval, 20, opted out in opposition to LSU’s signing 6-foot-5 Russian center Anna Minaeva, who previously played professionally for MBA Moscow.

— David K. Li, NBC news, 3 Sep. 2026
Moreno had previously put the club up for sale in August 2022 before pulling the team off the market five months later.

— Fabian Ardaya, New York Times, 2 Sep. 2026

Definition of previously

Browse Nearby Words

après

a priori

apropos

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Cite this Entry

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“A priori.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/a%20priori. Accessed 3 Sep. 2026.

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Synonyms of a priori

adjective

adverb

Example Sentences

Browse Nearby Words

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