AUTHENTICATION Synonyms: 35 Similar and Opposite Words

authentication

noun

Definition of authentication

as in verification

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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 authentication Worse, the su binary—the code that provides the command-line interface allowing users with low-level system rights to temporarily gain administrator-level access—is set to grant root without any authentication. — Dan Goodin, ArsTechnica, 31 Aug. 2026 Facebook is used as an authentication method for the free daily vote. — Ethan M. Stone, USA Today, 26 Aug. 2026 Proton supports authentication using a hardware security key. — Neil J. Rubenking, PC Magazine, 24 Aug. 2026 In particular, devices that have continued to use default authentication or otherwise insecure authentication credentials are particularly vulnerable. — Steve Weisman, Forbes.com, 21 Aug. 2026 See All Example Sentences for authentication

Recent Examples of Synonyms for authentication

Noun

Congress has bipartisan bills in the works aimed at setting clearer federal consumer protections, including age verification.

— Catherina Gioino, Fortune, 7 Sep. 2026
As a result, some people are opting to pay a bit more for market-rate apartments with less income-verification and faster approval — leaving growing numbers of affordable units vacant.

— ABC News, ABC News, 7 Sep. 2026

Definition of verification

Noun

The new facility also expands the company’s engineering workspace and provides equipment for research, testing, and validation.

— Maria Mocerino, Interesting Engineering, 5 Sep. 2026
In its July announcement, Optimal Transit said Series A funding would fund ABS-ready engineering drawings and comprehensive digital-twin validation of DOT.

— New Atlas, New Atlas, 4 Sep. 2026

Definition of validation

Noun

Clancy was tried in a Massachusetts court of law, one of the few venues where defendants such as Clancy enjoy the presumption of proof for pleas of insanity, once they are allowed to make such a plea.

— Richard E. Vatz, Baltimore Sun, 6 Sep. 2026
These recipes for muffins, snack mix, energy balls and more are proof that eating better doesn’t have to be boring, regardless of age.

— Anna Luisa Rodriguez, Washington Post, 5 Sep. 2026

Definition of proof

Noun

Participants will also have every ball recorded to help talent identification.

— Adam Crafton, New York Times, 4 Sep. 2026
The group also said its eligible-but-unregistered reports contain limited contact information, not Social Security, driver’s license, or state identification numbers, and that only ERIC employees process member data.

— Kaelan Deese, The Washington Examiner, 4 Sep. 2026

Definition of identification

Noun

Federal officials have asked MARTA for documentation showing what the transit agency does to prevent crime and make sure all passengers have paid fares.

— Sara Gregory, AJC.com, 2 Sep. 2026
Rather than presenting Zumthor’s work through drawings or conventional architectural documentation, Wenders trains his camera on the people who encounter, inhabit and build these spaces, letting the buildings unfold from the inside.

— Scott Roxborough, HollywoodReporter, 2 Sep. 2026

Definition of documentation

Noun

Deadline’s Dish article noted that no specific role had been identified and talks were mainly hypothetical, coming before official confirmation of Season 3, which followed as the final Edinburgh TV Festival started last week.

— Jesse Whittock, Deadline, 3 Sep. 2026
During his Senate confirmation hearing, Hamilton promised to come up with a plan to implement some of those recommendations.

— Rebecca Hersher, NPR, 3 Sep. 2026

Definition of confirmation

Browse Nearby Words

authenticating

authentication

authentications

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Style

“Authentication.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authentication. Accessed 10 Sep. 2026.

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Synonyms of authentication

noun

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