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Synonyms

well-defined

American  
[wel-di-fahynd] / ˈwɛl dɪˈfaɪnd /

adjective

  1. sharply or clearly stated, outlined, described, etc..

    a well-defined character; a well-defined boundary.


well-defined British  

adjective

  1. clearly delineated, described, or determined

"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

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.

“We have a well-defined strategy, a restructured organization, new executive leadership, and a detailed execution plan now in place with the singular focus of increasing shareholder value,” CEO Thomas Siebel said in the earnings release.

From Barron's • Jun. 3, 2026

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

Bringing digital-asset activity into a well-defined regulatory perimeter would strengthen oversight, improve compliance with anti-money-laundering standards and reduce user incentives to rely on opaque—and often vulnerable—offshore markets.

From The Wall Street Journal • Apr. 8, 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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