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Definitions

well-defined

[wel-di-fahynd] / ˈwɛl dɪˈfaɪnd /
ADJECTIVE
clear
Synonyms
STRONGEST
clear-cut distinct explicit precise straightforward transparent unambiguous
WEAK
apparent audible comprehensible graspable intelligible legible lucent lucid obvious plain sharp spelled out unblurred understandable well-marked
Antonyms
STRONGEST
ambiguous fuzzy indefinite obscure questionable vague

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.

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

In less than six minutes, his group crafts no specific musical form but rather a well-defined drama.

From The Wall Street Journal • Jan. 27, 2026

"These theories assume that one is describing something with well-defined velocities and energies," explains Diana Kirschbaum.

From Science Daily • Jan. 15, 2026

Bears worry Apple is falling behind its “Magnificent Seven” peers without a well-defined roadmap to compete.

From MarketWatch • Jan. 9, 2026

If the world had been created without the exclusion principle, quarks would not form separate, well-defined protons and neutrons.

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