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[dih-fish-uh n-see] /dɪˈfɪʃ ən si/
noun, plural deficiencies.
the state of being deficient; lack; incompleteness; insufficiency.
the amount lacked; a deficit.
Origin of deficiency
1625-35; < Late Latin dēficientia, Latin dēficient- (stem of dēficiēns). See deficient, -ency
Related forms
nondeficiency, noun, plural nondeficiencies.
predeficiency, noun, plural predeficiencies.
1. shortage, inadequacy, paucity, scarcity. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for deficiencies
Contemporary Examples
Historical Examples
  • Sooner than ever before in the history of the world do a nation's sins and deficiencies find it out.

    The Promise Of American Life Herbert David Croly
  • And if I did, my appetite would make up for all deficiencies.

    Desert Dust Edwin L. Sabin
  • Their failure to construct effective organizations was due to the deficiencies pointed out above.

  • The more they have, the more they know their own deficiencies.

    Pearls of Thought Maturin M. Ballou
  • We have defects and deficiencies; fear not, they will be remedied and supplied.

    The Young Man and the World Albert J. Beveridge
British Dictionary definitions for deficiencies


noun (pl) -cies
the state or quality of being deficient
a lack or insufficiency; shortage
another word for deficit
(biology) the absence of a gene or a region of a chromosome normally present
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 deficiencies



1630s, from deficience (mid-15c.) + -cy; or from Late Latin deficientia, from deficientem (see deficient).

Online Etymology Dictionary, © 2010 Douglas Harper
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deficiencies in Medicine

deficiency de·fi·cien·cy (dĭ-fĭsh'ən-sē)
A lack or shortage of something essential to health; an insufficiency.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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