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ill-defined. In DICTIOUS you will not only get to know all the dictionary meanings for the word
ill-defined, but we will also tell you about its etymology, its characteristics and you will know how to say
ill-defined in singular and plural. Everything you need to know about the word
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English
Etymology
ill + defined
Adjective
ill-defined (comparative more ill-defined, superlative most ill-defined)
- Poorly defined; blurry, out of focus; lacking a clear boundary.
1837, L[etitia] E[lizabeth] L[andon], Ethel Churchill: Or, The Two Brides. , volume III, London: Henry Colburn, , →OCLC, pages 45–46:An ill-defined dislike, a little like jealousy, arose in Henrietta's mind; a little, however, mitigated by observing that the gentleman instantly caught sight of herself; and that, when not absolutely forced to look at his companion, he looked towards her.
- (mathematics) Defined in an inconsistent way.
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