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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.

By identifying a single, well-defined structure for the key anionic dimer H3PO4·H2PO4-, scientists now have a better understanding of how protons move through these systems.

From Science Daily • Apr. 7, 2026

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

From The Wall Street Journal • Feb. 26, 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

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

From MarketWatch • Jan. 9, 2026

In the dim light his features were sharp and white and his closed eyes well-defined lines in a well-tooled face.

From "Invisible Man" by Ralph Ellison

Vocabulary lists containing well-defined

Obvious

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