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deficient

[dih-fish-uh nt] /dɪˈfɪʃ ənt/
adjective
1.
lacking some element or characteristic; defective:
deficient in taste.
2.
insufficient; inadequate:
deficient knowledge.
noun
3.
a person who is deficient, especially one who is mentally defective.
Origin
1575-1585
1575-85; < Latin dēficient- (stem of dēficiēns, present participle of dēficere to fail, run short, lack, weaken), equivalent to dē- de- + fic-, combining form of facere to make, do1 + thematic -i- + -ent- -ent
Related forms
deficiently, adverb
nondeficient, adjective
nondeficiently, adverb
predeficient, adjective
predeficiently, adverb
undeficient, adjective
undeficiently, adverb
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for pre deficient

deficient

/dɪˈfɪʃənt/
adjective
1.
lacking some essential; incomplete; defective
2.
inadequate in quantity or supply; insufficient
Derived Forms
deficiently, adverb
Word Origin
C16: from Latin dēficiēns lacking, from dēficere to fall short; see defect
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for pre deficient

deficient

adj.

1580s, from Latin deficientem (nominative deficiens), present participle of deficere "to desert, revolt, fail," from de- "down, away" (see de-) + facere "to do, perform" (see factitious).

Online Etymology Dictionary, © 2010 Douglas Harper
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pre deficient in Medicine

deficient de·fi·cient (dĭ-fĭsh'ənt)
adj.

  1. Lacking an essential quality or element.

  2. Inadequate in amount or degree; insufficient.

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