Undefined Meaning
/ˌʌndɪˈfaɪnd/Definition, CEFR level B2, pronunciation, examples, and quiz.
Listen pronunciation
Definition
adjLacking a definition or value.
adjThat does not have a meaning and is thus not assigned an interpretation.
Sentence Examples
If you divide any number by zero, the result is undefined.
Now remember, our variable is still undefined.
Synonyms & Antonyms
Synonyms:
Antonyms:
None
CEFR Practice Quiz
The math problem has no clear meaning because the terms are ____.
CEFR Practice Quiz (Alternate)
The scope of the project remains largely ____, which is causing some confusion among the team members today.
Word Origin & History
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.
Literary Quotations & Historical Citations
"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:
"[Option:] · [PDP11:] F [BSD:] · [XE 2.3:] [1] [XE 3.0:] · [SIII:] · [COFF:] · [meaning:] make undefineds global"
— 1987, J. E. Lapin, Portable C and UNIX System Programming (Prentice-Hall Software Series), Englewood Cliffs, N.J.: Prentice-Hall, Inc., →ISBN, page 72:
"Every operation is defined completely either by delivering a value of some type depending only on the types of its operands or by causing some defined exception; there are no ‘undefineds’ in Ten15."
— 1988, Pearl Brereton, editor, Software Engineering Environments, Chichester, West Sussex: Ellis Horwood Limited, →ISBN, page 230:
"The Array object has these commonly-used properties: • .length: the number of items including undefineds."
— 2017, Neos. Thanh, “Arrays”, in JavaScript Programming, →ISBN, page 36:
Explore More B2 Vocabulary Words
CEFR Practice Quiz
The math problem has no clear meaning because the terms are ____.
CEFR Practice Quiz (Alternate)
The scope of the project remains largely ____, which is causing some confusion among the team members today.