well-defined
Americanadjective
adjective
Etymology
Origin of well-defined
First recorded in 1695–1705
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.
Humpback whales in the Southern Hemisphere live in well-defined pods and usually follow the same migratory routes every year, travelling between feeding areas in cold water and breeding grounds in the tropics.
From Barron's • May 20, 2026
If a well-defined and testable prediction emerges from current data, and if an experiment can realistically be built to test it, pursuing that opportunity could lead to a major breakthrough.
From Science Daily • Apr. 24, 2026
Spaces are well-defined and venerable terms in physics and math.
From The Wall Street Journal • Feb. 26, 2026
This provides an excellent opportunity for Congress to establish sensible criteria and well-defined remedies for each category of tariffs.
From MarketWatch • Feb. 23, 2026
However, this can be misleading, because quantum mechanics tells us that the particles do not have any well-defined axis.
From "A Brief History of Time: And Other Essays" by Stephen Hawking
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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.