undoubted
Americanadjective
adjective
Synonym Usage
See doubtless ( def. ).
Other Word Forms
Derived 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.
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.
She said: "This wasn't bad luck. It was a catastrophic collapse of responsibility. An undoubted miscarriage of justice that must now be addressed."
From BBC • Jun. 8, 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
He has repeatedly promised Israelis he is using their undoubted power and ingenuity to reshape the Middle East in a way that will strengthen their country.
From BBC • Apr. 9, 2026
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 hope she is right.—In one respect, my good fortune is undoubted, that of being able to subscribe myself,
From "Emma" by Jane Austen
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
