authentication

noun

Definition of authenticationnext
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 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
  1. verification
  2. validation
  3. evidence
  4. proof
  5. identification
  6. documentation
  7. confirmation
Noun
  • Age verifications and parental controls come with notorious loopholes.
    — Jonathan Vanian, CNBC, 30 Aug. 2026
  • However, this is standard practice, and a hard credit inquiry is necessary for verification purposes and to guarantee your mortgage interest rate.
    — Dan Simms, USA Today, 30 Aug. 2026
Definition of verification
Noun
  • NuCube says the resulting data will expand the validation database for its models and could support the future licensing pathway for its reactor technology.
    — Kaif Shaikh, Interesting Engineering, 29 Aug. 2026
  • Prompts, task decomposition and validation thresholds are calibrated against its behavior, so when the model changes, the tuning has to be redone.
    — Marcin Nowak, Forbes.com, 28 Aug. 2026
Definition of validation
Noun
  • The case is nearly 30 years old, which has affected the kind of evidence presented in court.
    — Jonathan Landrum Jr, Chicago Tribune, 1 Sep. 2026
  • At the time, Duncan’s attorneys with a New Orleans nonprofit had filed a post-conviction appeal but did not have the resources to conduct a fuller investigation and uncover new evidence required to win.
    — Richard A. Webster, ProPublica, 31 Aug. 2026
Definition of evidence
Noun
  • Rocket Mortgage may ask for supporting documentation, including proof of residence, proof of income, proof of funds for your down payment and more.
    — Dan Simms, USA Today, 30 Aug. 2026
  • Research has advanced considerably, but much of 4D printing remains at the laboratory and proof-of-concept stage.
    — Kaif Shaikh, Interesting Engineering, 30 Aug. 2026
Definition of proof
Noun
  • The display was set up by police, with authorities saying some of the bodies recovered from the floods were in an advanced state of decomposition, making physical identification difficult.
    — Freddie Clayton, NBC news, 29 Aug. 2026
  • Things that would focus more around identification and how these people died.
    — Stephanie Nolasco, FOXNews.com, 29 Aug. 2026
Definition of identification
Noun
  • The vulnerability occurs when a coding agent with permission to run shell commands treats the file as authoritative setup documentation.
    — Dan Goodin, ArsTechnica, 27 Aug. 2026
  • At the same time, medical action starts the documentation process.
    — Matthew Kayser, USA Today, 26 Aug. 2026
Definition of documentation
Noun
  • Those moves, unusual steps aimed at granting the president and his allies far-reaching benefits, put Blanche’s confirmation at risk, prompting key senators to express concern.
    — Alanna Durkin Richer, Chicago Tribune, 28 Aug. 2026
  • While the senators linked Kennedy’s anti-vaccine work to that deadly measles outbreak, Kennedy denied any connection during the confirmation hearings.
    — Beth Mole, ArsTechnica, 28 Aug. 2026
Definition of confirmation

Browse Nearby Words

authenticating
authentication
authentications
See all Nearby Words

Cite this Entry

“Authentication.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authentication. Accessed 3 Sep. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

A List of Most Commonly Confused Words

Why do we use apostrophes to show possession?

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?
See More

Popular in Wordplay

See More

The Longest Long Words List

Stay Woke

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

The Words of the Week - Sept. 4
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

The Longest Long Words List

Stay Woke
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
skateboard-dog-hat
Wordmaxxing Slang Quiz Give your vocabulary a glow up by getting sendy w...
See All