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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Example Sentences

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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

Researchers found that some counterfeit devices even reported legitimate looking Samsung model identifiers.

— Kurt Knutsson, FOXNews.com, 23 Oct. 2026
San Francisco police said cychlorphine, estimated to be 10 times estimated more powerful than fentanyl, can be found in counterfeit pills designed to look like Xanax, Adderall and Oxycontin.

— Carlos E. Castañeda, CBS News, 21 Oct. 2026

Definition of counterfeit

Adjective

In episode 4, Noah made up an elaborate ruse involving a fake friend’s wedding in Napa — a means of getting Joanne to wine country for a romantic weekend.

— Julia Moore, PEOPLE, 22 Oct. 2026
The two fans came with their own props even though fake mustaches were given to fans at the entry gates.

— Armando L. Sanchez, Chicago Tribune, 22 Oct. 2026

Definition of fake

Adjective

Experts worry federal law enforcement could potentially use those false claims — or others generated this year — as pretext to try to seize ballots during the counting period, or interfere in the process in some other way.

— Miles Parks, NPR, 22 Oct. 2026
The false polling data from Wedgewood Polls consistently favored Democrats, particularly progressive candidates.

— Hailey Bullis, The Washington Examiner, 22 Oct. 2026

Definition of false

Adjective

Conservators also remove inconspicuous (often inauthentic) additions.

— Tara Anne Dalbow, Architectural Digest, 21 Oct. 2026
In comparison, topics that involve groundswells or are receiving authentic attention often inspire social media users to create their own posts that outperform inauthentic behavior.

— CT Jones, Rolling Stone, 10 Oct. 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