defined
Americanadjective
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determined, fixed, or clearly marked out as to extent, outline, or form.
an itchy red rash with sharply defined edges.
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Mathematics. having an assigned or determinable value under particular conditions.
Etymology
Origin of defined
First recorded in 1720–30; define ( def. ) + -ed 2 ( def. )
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.
Her early music took off on TikTok during the pandemic, where she honed a sound just askew of the pained songwriter fare and exuberant electro-pop that defined that era.
From Los Angeles Times ● Nov. 2, 2026
My grandfather defined himself by his fight to claim his place, whether he was welcome or not.
From The Wall Street Journal ● Nov. 1, 2026
From there, his career was largely defined by his 16 years with the Royal Shakespeare Company, where he started in 1966, before joining the Royal National Theatre in 1984.
From Salon ● Oct. 30, 2026
Those that cause strong ionization leave continuous, sharply defined lines, while particles that produce weaker ionization may appear as scattered, disconnected dots.
From Science Daily ● Oct. 28, 2026
On the strip winners and losers, enemy and friends were clearly defined.
From "Proud" by Ibtihaj Muhammad
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Get a wordDefinitions 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.
