What does undefined mean?
Undefined means Lacking a definition or value..
Undefined
Pronunciation varies by accent · adjective
Meaning
Lacking a definition or value..
Definitions by Sense
- Lacking a definition or value.
- (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
- (computing) An undefined value.
Example Sentences
We slid into our office, past two women discussing the "X factor," an apparently undefined quality their firm felt they lacked.
The result of division by zero is undefined.
[Option:] · [PDP11:] F [BSD:] · [XE 2.3:] [1] [XE 3.0:] · [SIII:] · [COFF:] · [meaning:] make undefineds global
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.
The Array object has these commonly-used properties: • .length: the number of items including undefineds.
Synonyms for undefined
Antonyms for undefined
Related Words
Word Forms
- undefineds
Usage Notes
Choose a synonym only when it preserves the intended meaning, tone, and grammar of the full sentence.
Practice and Learn More
Frequently Asked Questions
What is a synonym for undefined?
Common synonyms include indefinite, undefinable, vague, indefinable.
What is the opposite of undefined?
Possible antonyms include defined.
How do you use undefined in a sentence?
We slid into our office, past two women discussing the "X factor," an apparently undefined quality their firm felt they lacked.
Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.