un·de·fined

[uhn-di-fahynd]
adjective
1.
without fixed limits; indefinite in form, extent, or application: undefined authority; undefined feelings of sadness.
2.
not given meaning or significance, as by a definition; not defined or explained: an undefined term.

Origin:
1605–15; un-1 + defined

un·de·fin·ed·ly [uhn-di-fahy-nid-lee, -fahynd-] , adverb
un·de·fin·ed·ness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To undefined
Collins
World English Dictionary
undefined (ˌʌndɪˈfaɪnd) [Click for IPA pronunciation guide]
 
adj
not defined or made clear: the job has remained undefined
 
unde'finable
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Undefined is always a great word to know.
So is interrobang. Does it mean:
a chattering or flighty, light-headed person.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
Etymonline
Word Origin & History

undefined
1611, from un- (1) "not" + pp. of define (v.).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
The results are undefined if the calling thread holds the lock at the time the
  call is made.
Ask them what zero divided by zero is and they will say undefined.
What was interesting was that the characters were kind of undefined in the
  original script.
Some therapies or procedures fall under the undefined scope of practice rather
  than as a trial study.
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature