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

As speaker, Bacon will oversee a 49-member Democratic supermajority in the House when the legislature reconvenes early next year.

— Christa Swanson, CBS News, 8 Nov. 2026
Study participants who drank warm water were also able to pass gas significantly earlier than those who did not.

— Carrie Madormo, Verywell Health, 8 Nov. 2026

Definition of early

Adjective

But that won’t keep them from trying, and when people’s passions are aroused, and emotions crowd out reasoned thought, anything can happen.

— Chris Roemer, Baltimore Sun, 21 Oct. 2026
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

Definition of reasoned

Adverb

However, the flight system encountered a technical fault when Fluctus misinterpreted air pressure fluctuations as a crash landing and prematurely declared an emergency apogee, assuming the rocket was beyond recovery.

— Muskan Bhatia, Interesting Engineering, 7 Nov. 2026
Earlier Thursday, the Justice Department informed the court that a construction contractor had prematurely painted lines on the grounds.

— Steven Portnoy, ABC News, 5 Nov. 2026

Definition of prematurely

Adverb

Natalie Wagner, the chair of the commission and Lamont’s deputy chief of staff, reassured him that the budget proposal was already taking the commission’s work into account.

— Theo Peck-Suzuki, Hartford Courant, 13 Nov. 2026
Schumer is not listening to the people, but taking his elevation for granted, as are the senators who’ve already committed their votes.

— Voice of the People, New York Daily News, 13 Nov. 2026

Definition of already

Adverb

Police previously said investigators found no evidence of an actual plan to carry out violence at the school.

— Sacbee.com, Sacbee.com, 3 Nov. 2026
The council’s executive director, Blair Stanford, confirmed the previously unreported contribution and said CMS requested the financial support.

— Charlotte Observer, Charlotte Observer, 2 Nov. 2026

Definition of previously

Adverb

Police say subway surfers do it before and after school hours, mostly where tracks are elevated.

— Dave Carlin, CBS News, 11 Nov. 2026
As promised, the ESPN analyst, who just played a set at EDC Orlando electronica festival the night before, got out of teaching mode and put on his alter ego DJ Diesel hat for an on-campus party.

— Madeleine Marr, Miami Herald, 11 Nov. 2026

Definition of before

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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 14 Nov. 2026.

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Synonyms of a priori

adjective

adverb

Example Sentences

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