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

There was a modest 5% rise in counterfeit sports cards, yet a 125% increase in fake Pokémon cards.

— Bob Woods, CNBC, 10 Oct. 2026
In 2019, Italian police arrested three people in a scheme to sell at least 11,000 counterfeit bottles of Tignanello in Italy, Germany and Belgium, labeled as 2009, 2010 and 2011 vintages but filled with low-quality wine.

— Catherina Gioino, Fortune, 9 Oct. 2026

Definition of counterfeit

Adjective

Some defendants face additional allegations involving false claims of citizenship or fraudulent statements that rest on separate federal statutes.

— Antonio María Delgado, Miami Herald, 6 Oct. 2026
Those numbers include 759 false identification cards confiscated, 378 alcohol-possession-by-a-minor violations and 98 fake-ID citations during the calendar-year reporting period, according to Oxford Police.

— Kelsie Cairns, FOXNews.com, 6 Oct. 2026

Definition of false

Adjective

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
It’s routinely thrown around online, both sincerely and in jest, to describe anything that feels inauthentic.

— Harmeet Kaur, CNN Money, 27 Aug. 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