AUTHENTICATION Synonyms: 35 Similar and Opposite Words

authentication

noun

Definition of authentication

as in verification

Related Words

Relevance

Dissimilar Words

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 The data was, as with many breaches like this, obtained by exploiting a vulnerability in a third-party authentication tool, in this case Okta, which has had its own share of security woes. — Alan Henry, PC Magazine, 30 Oct. 2026 The flaws could allow hackers to remotely execute malicious code on vulnerable servers without authentication. — Contessa Brewer, CNBC, 29 Oct. 2026 The authentication process combines human expertise and AI integration to flag any suspicious activity and ensure that listings follow commercial industry standards. — Sophie Lou Wilson, Vogue, 26 Oct. 2026 All have been given the tick of approval by AP, with the in-house team following a meticulous authentication process. — Rachel Cormack, Robb Report, 26 Oct. 2026 See All Example Sentences for authentication

Recent Examples of Synonyms for authentication

Noun

Avoid relying on text-message verification if your phone number may be compromised.

— Kurt Knutsson, FOXNews.com, 24 Oct. 2026
Those who fail to scan the address verification QR code within seven days will see their account demoted to the free tier and be barred from joining any other Duo or Family plan for 12 months.

— Nick Indge, ArsTechnica, 23 Oct. 2026

Definition of verification

Noun

Her victory served as validation for Democrats' long deferred dream that demographic changes in the state would be followed by a shift in political power.

— Arkansas Online, Arkansas Online, 4 Nov. 2026
The grant money will be used to purchase equipment and software and pursue validation of equipment and testing.

— Susan Sarkauskas, Chicago Tribune, 2 Nov. 2026

Definition of validation

Noun

This could help scientists avoid mistaking geological activity for evidence of extraterrestrial organisms.

— Neetika Walter, Interesting Engineering, 3 Nov. 2026
School officials contacted law enforcement, and Modesto police investigated the allegations, reviewing video evidence that resulted in one juvenile being cited for misdemeanor battery.

— Sacbee.com, Sacbee.com, 3 Nov. 2026

Definition of evidence

Noun

The presence of anyone’s name or image in the files isn’t proof of wrongdoing.

— Danica Kirka, Los Angeles Times, 31 Oct. 2026
The 2026 version of the bill, known as the SAVE America Act, would require voters nationwide to provide proof of citizenship to register and present a photo ID to vote, and would compel states to turn over their voter rolls to DHS.

— ProPublica, ProPublica, 30 Oct. 2026

Definition of proof

Noun

Voters in six states will soon decide whether to impose or expand voter identification requirements, including rules requiring mail voters to provide part of a driver’s license or Social Security number.

— Kaelan Deese, The Washington Examiner, 25 Oct. 2026
The footage showed the vehicles entering and exiting the site and allowed investigators to capture their vehicle identification numbers, which were forwarded to CBP, according to Earley.

— Milena Malaver, Miami Herald, 24 Oct. 2026

Definition of identification

Noun

That can help preserve the documentation if a computer fails or the account holder needs to substantiate a reimbursement years later.

— Stephanie Dhue,Sharon Epperson, CNBC, 5 Nov. 2026
The country must still decide whether to proceed with a formal nomination and prepare the documentation required to demonstrate the property’s OUV.

— Karina Acharya, Condé Nast Traveler, 4 Nov. 2026

Definition of documentation

Noun

That refusal does not bode well for their ability to impartially decide matters involving this administration, and underscores the importance of the Senate’s confirmation power.

— James Speyer, New York Daily News, 30 Oct. 2026
Trump, in his inimitable way, has tried to get around that by appointing acting people and appointing people to jobs that don’t require Senate confirmation, and so on, and then basically outsourcing large parts of the government.

— David Remnick, New Yorker, 30 Oct. 2026

Definition of confirmation

Browse Nearby Words

authenticating

authentication

authentications

See all Nearby Words

Cite this Entry

Style

“Authentication.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authentication. Accessed 7 Nov. 2026.

Copy Citation

Synonyms of authentication

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

abandon

Popular in Grammar & Usage

How to Use 'Who' vs. 'Whom'

Merriam-Webster’s Great Big List of Words You Love to Hate

'Affect' vs. 'Effect'

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Popular in Wordplay

Great Big List of Beautiful and Useless Words, Vol. 5

9 Words That Sound Like Insults But Aren't

7 Words for Old-Timey Vehicles

The Words of the Week - Nov. 6

12 Lovely and Unusual Words for the Natural World

Popular

How to Use 'Who' vs. 'Whom'

Great Big List of Beautiful and Useless Words, Vol. 5

9 Words That Sound Like Insults But Aren't

Games & Quizzes