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Synonyms

undoubted

American  
[uhn-dau-tid] / ʌnˈdaʊ tɪd /

adjective

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


undoubted British  
/ ʌnˈdaʊtɪd /

adjective

  1. beyond doubt; certain or indisputable

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Synonym Usage

See doubtless ( def. ).

Other Word Forms

Etymology

Origin of undoubted

late Middle English word dating back to 1425–75; see origin at 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.

Keep Reading on Vocabulary.com

Vocabulary lists containing undoubted

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Part of the defensiveness, no doubt, is about Rupar’s undoubted ability to make images of the enormous carry-on bag that Harp hauls around go viral.

From Salon ● Sep. 16, 2026

So there has been an undoubted step in that direction.

From BBC ● Jun. 26, 2026

Yet it was still an undoubted factor considering the team had orbited around Isak, who scored 27 goals in the previous season.

From BBC ● Jun. 2, 2026

“It was a good book suggested to me by an actress of undoubted talent,” Martel shares, careful to avoid names.

From Los Angeles Times ● May 6, 2026

We are cultural animals and it is the richness of our culture which allows us to accept our undoubted potentiality for violence but to believe nevertheless that its expression is a cultural aberration.

From "The Sense of Style" by Steven Pinker

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