UNAUTHENTIC Synonyms: 38 Similar and Opposite Words

unauthentic

adjective

ˌən-ə-ˈthen-tik

Definition of unauthentic

as in counterfeit

being such in appearance only and made or manufactured with the intention of committing fraud trying to sell unauthentic autographs of American presidents

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Recent Examples of unauthentic Moore said that no matter how famous a host or a guest is, or how elaborate and slick a production is, an unauthentic product will not resonate with audiences. — Yahya Salem, CNN Money, 9 Nov. 2025 Inaccurate debunks Amid the recycled imagery, authentic pictures of National Guard members sleeping on the floor of a federal building in Los Angeles this week were falsely described as old or unauthentic. — Emma Li, CBS News, 11 June 2025 Both games made changes to the core formula that longtime players didn't appreciate, such as an influx of unauthentic skins and a departure from the class system. — Thomas G. Moukawsher, Newsweek, 5 Feb. 2025 Its ability to accurately discern and promptly respond to unauthentic negative reviews allows businesses to maintain a legitimate, trustworthy online image. — Jon Stojan, USA TODAY, 26 July 2023 Kingsford, has seen many American-Spanish restaurants in Rhode Island prepare paella, which requires a crunchy outside, in an unauthentic way. — Globe Staff, BostonGlobe.com, 2 June 2022

Recent Examples of Synonyms for unauthentic

Adjective

The 2017 and 2024 total solar eclipses in North America saw problems with counterfeit products.

— Jamie Carter, Forbes.com, 26 July 2026
Padgett, meanwhile, allegedly packaged and mailed the counterfeit stamps from multiple locations, including two post offices in Alabama.

— Drew Pittock, USA Today, 24 July 2026

Definition of counterfeit

Adjective

Multiple schools are at the center of incidents in which teens are facing legal consequences for generating fake explicit images of their classmates.

— Avni Trivedi, CNN Money, 21 July 2026
Gen Alphas seem to know almost immediately when something is fake, overproduced, delayed or culturally disconnected, which is why the strongest content right now often feels chaotic.

— Kelly Samuel, Forbes.com, 21 July 2026

Definition of fake

Adjective

Bryan Kohberger, who pleaded guilty to stabbing four University of Idaho students to death and waived his right to appeal, is now seeking post-conviction relief by claiming his plea was false.

— Chadd Cripe. Produced with AI assistance, Idaho Statesman, 30 July 2026
On Friday, Tench was arrested on 99 felony charges, which include 33 counts of bid-rigging, 33 of first-degree forgery and 33 of filing false documents.

— Caroline Silva, AJC.com, 30 July 2026

Definition of false

Adjective

The social and political climate that initially made Oseman’s story feel inauthentic for some has now situated Heartstopper as a different kind of fantasy.

— Abbey White, HollywoodReporter, 16 July 2026
Both chains suffered from serving food that appeared both inauthentic and unappetizing, unable to compete with local offerings.

— Mia Osmonbekov, Fortune, 15 July 2026

Definition of inauthentic

Adjective

Last month’s board election was tainted by forged ballots, including one with a voter’s name misspelled.

— Linda Robertson, Miami Herald, 16 July 2026
She was additionally found guilty of insurance fraud for taking out a $100,000 insurance policy on her husband's life with his forged signature and for submitting a claim following his death.

— Meredith Deliso, ABC News, 13 May 2026