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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

The findings, published in Neuropsychopharmacology, reveal how caffeine acts on a well-defined brain pathway involved in social memory, the ability to recognize and distinguish people we have encountered before.

From Science Daily • May 30, 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

Spaces are well-defined and venerable terms in physics and math.

From The Wall Street Journal • Feb. 26, 2026

The no boundary proposal for the universe predicts the existence of a well-defined thermodynamic arrow of time because the universe must start off in a smooth and ordered state.

From "A Brief History of Time: And Other Essays" by Stephen Hawking

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