Merriam-Webster Logo
SINCE 1828
Menu
×

An Encyclopædia Britannica Company

unauthentic

play
adjective un·au·then·tic \ˌən-ə-ˈthen-tik, -ȯ-\

Definition of unauthentic

  1. :  not real, accurate, or sincere :  not authentic :  inauthentic an unauthentic document unauthentic ingredients

unauthentically

play \ˌən-ə-ˈthen-ti-k(ə-)lē, -ȯ-\ adverb

unauthenticity

play \ˌən-ˌȯ-ˌthen-ˈti-sə-tē, -thən-\ noun

Read the Latest from M-W

alt-594ab41a604d2
Trending: Kim and Kanye Might Have Hired a Surrogate Mother
alt-594d2b6325245
'Pride': The Word That Went From Vice to Strength
image599301899
Pretty in 'Pink'
istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
June 2017 Words of the Day Quiz

1631

First Known Use of unauthentic

1631

unauthentic Synonyms

Synonyms
bogus, fake, false, forged, inauthentic, phony (also phoney), queer, sham, snide, spurious, counterfeit
Antonyms
authentic, bona fide, genuine, real, unfaked
Related Words
artificial, factitious, imitation, man-made, mimic, mock, simulated, substitute, synthetic; dummy, nonfunctioning, ornamental; cultured, fabricated, manufactured; deceptive, delusive, misleading
Near Antonyms
natural; actual, true, valid

Learn More about unauthentic

  1. Thesaurus: All synonyms and antonyms for unauthentic

Seen and Heard

What made you want to look up unauthentic? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

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

WORD OF THE DAY

volplane

play

to glide in or as if in an airplane

Get Word of the Day daily email!

TRENDING NOW

  1. surrogate mother From TMZ to the dictionary.

  2. zealot A fanatical partisan

  3. stonewall to be uncooperative, obstructive, or evasive

  4. scurrilous Containing obscenities, abuse, or slander

  5. depose That word might not mean what you think it means.

SEE ALL

Love words? Need even more definitions?

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

Words at Play

alt-594d2b6325245
'Pride': The Word That Went From Vice to Strength

Do you take pride in Pride?

image599301899
Pink: The Color that Will Change Your Life

From Fuchsia to Baker-Miller Pink

image2144101468
That Sucks Word Alternatives

Your day is the worst. Your vocabulary is the best.

alt-5931949575ca5
'All the Feels,' All the Time

Once more, with 'feels'

Ask the Editors

decimate-video
Is it wrong to use 'decimate' to mean 'destroy'?

Language changes

serial-comma
The Serial Comma

Why don't they call it the Merriam-Webster comma?

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless
Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals
Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
June 2017 Words of the Day Quiz

Summer's first WOTD quiz.

Take the quiz
alt-5941ad7527c3c
Yearbook Superlatives Quiz

Is that your picture under "Largest Vocabulary"?

Take the quiz
Spell It
Spell It

Can you spell these 10 commonly misspelled words?

Take the quiz
Word Winder's CrossWinder
Word Winder's CrossWinder

A game of winding words.

Play the game