undoubted

American  

[uhn-dou-tid] / ʌnˈdaʊ tɪd /

adjective

1. not called in question; accepted as beyond doubt; undisputed.

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undoubted British  

/ ʌnˈdaʊtɪd /

adjective

1. beyond doubt; certain or indisputable

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Related Words

See doubtless ( def. ).

Other Word Forms

• undoubtedly adverb

Etymology

Origin of undoubted

late Middle English word dating back to 1425–75; un- ¹, doubt, -ed ²

Explanation

Something that's undoubted is generally accepted as certain or true. If you make $100 in one afternoon at your lemonade stand, it's an undoubted success! You can use the adjective undoubted to describe things you have no doubt about, in much the same way you'd use undisputed. If everyone agrees that you're the best Monopoly player in the whole family, you're the game's undoubted champion. And when you have a pal who's always there for you, they're your undoubted friend — you don't have the slightest bit of doubt about their friendship.

Example Sentences

Sabalenka heads into the new season as undoubted world number one, having collected a second US Open title while also winning events at Brisbane, Madrid and Miami.

From Barron's • Dec. 31, 2025

"I'm lucky to have worked with him and been able to integrate his talent and undoubted skills in enhancing our ability to understand the archaeological narrative," says Mr Young.

From BBC • Dec. 27, 2025

The 27-year-old from Belarus is now the undoubted women's number one but it was hard work and suffering which got her there, and some of it played out very publicly.

From Barron's • Oct. 15, 2025

And it will also come after it has been made crystal clear that Tuchel's England world does not revolved around Bellingham and how best to utilise his undoubted talent.

From BBC • Oct. 14, 2025

No evidence links the 35,000-year-old charcoal to the undoubted cave paintings at Pedra Furada.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond