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[uhn-di-zahyuh r-uh-buh l] /ˌʌn dɪˈzaɪər ə bəl/
not desirable or attractive; objectionable:
undesirable qualities.
a person or thing considered undesirable:
a collection of malcontents and undesirables.
Origin of undesirable
1660-70; un-1 + desirable
Related forms
undesirability, undesirableness, noun
undesirably, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for undesirable
Contemporary Examples
Historical Examples
  • Or should we consider that the good gifts of fortune are not just as inevitable as are her undesirable gifts?

  • A damp cellar has always been considered to be undesirable, but just why nobody knows.

    Rural Hygiene Henry N. Ogden
  • His very presence would protect me in case of any undesirable meeting.

    Carmen Prosper Merimee
  • Liberty is good, but I thought it might be undesirable to be a slave to my own freedom.

    The Foot-path Way Bradford Torrey
  • He did not want to annoy anybody by pressing his undesirable society upon him.

    The Fighting Edge William MacLeod Raine
British Dictionary definitions for undesirable


not desirable or pleasant; objectionable
a person or thing that is considered undesirable
Derived Forms
undesirability, undesirableness, noun
undesirably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for undesirable

1660s, "not to be desired, objectionable," from un- (1) "not" + desirable. The noun meaning "undesirable person or thing" is first attested 1883. Undesired "not asked or invited" is recorded from late 15c.

Online Etymology Dictionary, © 2010 Douglas Harper
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