The meaning of UNDEFINED is not defined. How to use undefined in a sentence.

UNDEFINED definition: 1. not clearly described, stated, or known: 2. not having been given a definition (= a statement…. Learn more.

Jul 8, 2025 · A variable that has not been assigned a value is of type undefined. A method or statement also returns undefined if the variable that is being evaluated does not have an …

Undefined definition: without fixed limits; indefinite in form, extent, or application.. See examples of UNDEFINED used in a sentence.

Look up undefined in Wiktionary, the free dictionary.

1. not defined or explained. 2. indefinite in form or extent: an undefined feeling of sadness.

Definition of undefined adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Definition of 'undefined' undefined in British English (ˌʌndɪˈfaɪnd ) adjective not defined or made clear

May 7, 2009 · That's what undefined means; regardless of its semantics in English, its Javascript meaning is that the variable hasn't been declared or populated yet, and so while the concept …

1 ENTRIES FOUND: undefined (adjective) undefined /ˌʌndɪ ˈ faɪnd/ adjective Britannica Dictionary definition of UNDEFINED : not shown or described clearly