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 Sysdig said JadePuffer entered through an internet exposed Langflow instance by using CVE 2025 3248, a missing authentication flaw in the code validation endpoint that allowed unauthenticated Python execution on the host. — Ron Schmelzer, Forbes.com, 10 July 2026 In reality, neither service’s support team works this way, and no support technician will ever ask you for an authentication code or your credentials out of the blue, whether the service is Reddit, Discord, your bank, or anything else. — Alan Henry, PC Magazine, 10 July 2026 In the payments space, 82 percent of fraud attempts target the authentication process, while digital banking sees 55 percent of fraud attacks occurring after onboarding. — Arthur Zaczkiewicz, Footwear News, 7 July 2026 Others use email authentication or additional account-confirmation processes. — Matthew Kayser updated July 6, Miami Herald, 6 July 2026 See All Example Sentences for authentication

Recent Examples of Synonyms for authentication

Noun

Employers demonstrating reasonable diligence through E-Verify or other effective verification practices may be better positioned to defend against enforcement.

— Alonzo Martinez, Forbes.com, 20 July 2026
Fake verification windows and black-screen overlays can hide its activity.

— Kurt Knutsson, FOXNews.com, 20 July 2026

Definition of verification

Noun

Furthermore, Ding emphasized that the technology still requires real-world validation before it can be widely adopted.

— Bojan Stojkovski, Interesting Engineering, 18 July 2026
Of course, under whatever rules, Oscar validation can mean the difference between multi-platform distribution and oblivion in the American marketplace.

— Thomas Doherty, HollywoodReporter, 18 July 2026

Definition of validation

Noun

That was with the advantage of evidence that people will pay for transportation.

— Erik Sherman, Forbes.com, 21 July 2026
Yet lawyers involved told me that Administration policymakers seemed to want specific proof of a war crime, and since the State Department doesn’t run courts to weigh evidence, the lawyers couldn’t prove anything.

— David D. Kirkpatrick, New Yorker, 20 July 2026

Definition of evidence

Noun

Gelfond said that presales for the movie’s second weekend would rank among their 10 best presales, proof that many moviegoers are waiting to see the film in their preferred format.

— Jake Coyle, Fortune, 19 July 2026
An impossible philosophy passage and a confounding geometry proof.

— Min Jin Lee, New Yorker, 19 July 2026

Definition of proof

Noun

The exhibit starts past the old castle-like entrance to the water park, where staff check identification.

— Camila Pedrosa, Sacbee.com, 19 July 2026
And many nonprofits do help with other re-entry services like getting identification documents or employment counseling.

— Amber Gaudet July 18, Charlotte Observer, 18 July 2026

Definition of identification

Noun

Conversely, there are moments throughout Pompeii where the trail goes cold due to insufficient documentation from 2,000 years ago, frustrating Hiddleston in the process.

— Brian Davids, HollywoodReporter, 16 July 2026
The rate was $485 a night, according to expense documentation provided to the Herald through the records request.

— Douglas Hanks, Miami Herald, 15 July 2026

Definition of documentation

Noun

Acting Attorney General Todd Blanche appears at his confirmation hearing in front of the Senate Judiciary Committee, on Capitol Hill in Washington, July 15, 2026.

— Dan Mangan, CNBC, 17 July 2026
Fix, who has experienced the upsell scam herself, recommends bringing a printout (yes, a paper printout) of your confirmation.

— Christopher Elliott, USA Today, 17 July 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 23 Jul. 2026.

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Synonyms of authentication

noun

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