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

Investigators also caught the brothers with at least 15 counterfeit and unauthorized bank cards, prosecutors said.

— Joe Marusak July 2, Charlotte Observer, 2 July 2026
The case focused on Muk Choi Lau, a Chinese citizen and green-card holder, who was charged with selling nearly $300,000 in counterfeit shorts before returning from a 2012 trip.

— Bart Jansen, USA Today, 1 July 2026

Definition of counterfeit

Adjective

Beware of the stalls selling fake leather or souvenirs made in China.

— Laura Itzkowitz, Travel + Leisure, 8 July 2026
Tired of spending his days simply delighting in psychological torture and revenge, Lestat publicly chases the life of a famous rock star, writing and producing an album and performing in a cross-country tour while maintaining a fake vampire persona.

— CT Jones, Rolling Stone, 7 July 2026

Definition of fake

Adjective

An infusion of false hope, however, is all the equalizer was.

— Tom Krasovic, San Diego Union-Tribune, 8 July 2026
Her post received 22,000 likes, and Elon Musk—who regularly boosts white-supremacist perspectives—and Joe Rogan have made similar claims about the group being a false-flag operation.

— Ali Breland, The Atlantic, 8 July 2026

Definition of false

Adjective

The redesign gutted the inauthentic interiors and added wood paneling, green leather banquettes, and terrazzo flooring.

— Mary Winston Nicklin, Condé Nast Traveler, 1 June 2026
Reflect Company Culture Across External Brand Channels Marketing and communications professionals can detect an inauthentic employer brand from a mile away and won’t want to associate with it.

— Expert Panel®, Forbes.com, 28 May 2026