undefined
adjective, noun
Forms undefineds
- adjective Lacking a definition or value.
- adjective (mathematics, computing) 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.”
- adjective (computing) 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.”
- noun (computing) An undefined value.
Synonyms
Antonyms
Etymology
From un- + defined.
Sources: Wiktionary — from the Wiktionary entry “undefined”, CC BY-SA 4.0. Details