undefined
/ˌʌndɪˈfaɪnd/
EN
Not given a clear definition, meaning, or value; not defined or established.
The result of this calculation is undefined when you divide by zero.
Etymology
Formed from the negative prefix un- combined with the past participle of define, which originates from Latin definire meaning 'to set bounds to'. It entered English usage in the early 17th century.
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What does undefined mean?
undefined means: Not given a clear definition, meaning, or value; not defined or established.
How do you pronounce undefined?
undefined: /ˌʌndɪˈfaɪnd/
How is undefined used in a sentence?
The result of this calculation is undefined when you divide by zero.