undefined en · ADJ
Pronunciation
- (US) audio
Etymology
Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English defined English undefined From un- + defined.
Meanings
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(not-comparable) Lacking a definition or value.
We slid into our office, past two women discussing the "X factor," an apparently undefined quality their firm felt they lacked.
1992, Lia Matera, Prior Convictions, page 121:
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(not-comparable) That does not have a logically sound meaning within a specific formal system and is thus not assigned an interpretation.
The result of division by zero is undefined.
Within the set of real numbers, the square root of a negative number is undefined.
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(not-comparable) That behaves unreliably due to dependence on an uninitialized value or inconsistently ported code.
In C, relying on a variable's value right after a malloc call is undefined behvaior.
Antonyms
Deriveds
undefinedly · undefinedness · undefined behavior
Synonyms
indefinite (lacking a definition or value) · undefinable · vague
Translations (20)
fr indéfini (mathematics: without interpretation) · pt indefinido (lacking definition or value) · cs nedefinovaný (lacking definition or value) · fi määrittelemätön (mathematics: without interpretation) · ca indefinit (mathematics: without interpretation) · es indefinido (lacking definition or value) · fi epämääräinen (lacking definition or value) · pl nieokreślony (lacking definition or value) · ca indefinit (lacking definition or value) · it indefinito (lacking definition or value) · ru неопределённый (mathematics: without interpretation) · cmn 未定義 /未定义 (lacking definition or value) · fi määrittelemätön (lacking definition or value) · fr indéfini (lacking definition or value) · ru неопределённый (lacking definition or value) · pl niezdefiniowany (lacking definition or value) · vi không xác định (mathematics: without interpretation) · ro nedefinit (mathematics: without interpretation) · ro nedefinit (lacking definition or value) · bg неопределе́н (lacking definition or value)