VocabauraVOCABAURA

authentication

noun

Simple meaning

Proof of identity required by a user to log on to some network or access some resource.

Pronunciation

Say it like this:

awthentuhkayshuhn

Say the bold part a little louder.

US device voice
IPA pronunciation (US)

ɔθɛntəˈkeɪʃən

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. computing

    Proof of identity required by a user to log on to some network or access some resource.

  2. Something which validates or confirms the authenticity of something; or the process of doing so.

  3. A hallmark or assay-mark on a piece of metalwork.

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: Proof of identity required by a user to log on to some network or access some resource.

Used this way, authentication is a specialist word that usually carries little praise or criticism of its own. This is a computing use: it carries a fixed technical meaning inside software and systems work.

Emotional tone
Neutral
Formality
Specialist/technical
Intensity
Not strongly marked
How common
Specialized
Connotation
Clinical and technical
Usage feel
Technical and specialized

Where it naturally appears

  • Technology
  • Technical/specialist writing
  • Business/professional

Usage note

In general conversation this sense usually needs explaining — outside its field, people reach for a plainer word.

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

More ways to use authentication

  • “She completed the authentication process to prove her identity online.”noun

Share your sentence

Write your own example sentence using “authentication”. We review each one before it appears.

Use This Word

See how this word sounds in a real sentence.

Ask Vocabaura

Understand the word your way.

What Does It Mean Here?

Words can change meaning depending on context.

Use it yourself

Keep learning “authentication” by choosing the kind of practice you need next.

Want to type words like this one without looking at the keyboard? Each typing round draws from words you've learned, saved or need to review. Follow the free Learn to Type lessons and type your own vocabulary with confidence.

Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.