defiance
1 Americannoun
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a daring or bold resistance to authority or to any opposing force.
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open disregard; contempt (often followed byof ).
defiance of danger; His refusal amounted to defiance.
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a challenge to meet in combat or in a contest.
idioms
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bid defiance to, to offer resistance; defy.
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in defiance of, in spite of; notwithstanding.
There was a splendid audience in defiance of the rainstorm.
noun
noun
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open or bold resistance to or disregard for authority, opposition, or power
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a challenging attitude or behaviour; challenge
Other Word Forms
Etymology
Origin of defiance
First recorded in 1250–1300; Middle English, from Old French; equivalent to defy + -ance
Explanation
Stand up when the powers that be order you to sit down, and you've given a fine example of defiance. It happens when someone or a group of someones openly flouts or challenges authority. Refusing to go to bed when your parents tell you to? That's an act of defiance. Defiance comes from French — specifically to the Old French word defier, which means "to defy." (Don't mix it up with deify; that means to make someone or something into a god.) If you've ever studied Latin, you'll spot the fi in fidare, "to trust."
Vocabulary lists containing defiance
100 Words Every Middle Schooler Should Know
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The Outsiders
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Walk Two Moons
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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.
These are the largest 15 holdings of the Defiance Connective Technologies ETF:
From MarketWatch • Apr. 27, 2026
“There are periods of time where the Mag Seven has taken a back seat, and this year is one of them,” says Sylvia Jablonski, chief investment officer of Defiance ETFs.
From Barron's • Mar. 5, 2026
The following excerpt is adapted from Chapter 3 of Tyler’s memoir, Stitching Freedom: A True Story of Injustice, Defiance, and Hope, published by One Signal Publishers and set for release on Tuesday.
From Slate • Oct. 6, 2025
Defiance Daily Target 2X Long RGTI, which aims to double the daily return of quantum-computer firm Rigetti Computing, is up roughly 1,000%.
From The Wall Street Journal • Oct. 3, 2025
About ten thousand people were in attendance, and I told the crowd that the Defiance Campaign would be the most powerful action ever undertaken by the oppressed masses in South Africa.
From "Long Walk to Freedom" by Nelson Mandela
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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.