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insufficient

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in⋅suf⋅fi⋅cient

[in-suh-fish-uhnt]
–adjective
1. not sufficient; lacking in what is necessary or required: an insufficient answer.
2. deficient in force, quality, or amount; inadequate: insufficient protection.

Origin:
1350–1400; ME < LL insufficient- (s. of insufficiēns). See in- 3 , sufficient


in⋅suf⋅fi⋅cient⋅ly, adverb


1. inadequate, scanty, deficient.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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in·suf·fi·cient   (ĭn'sə-fĭsh'ənt)   
adj.  Not sufficient; inadequate.
in'suf·fi'cient·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

insufficient 
c.1386, from O.Fr. insufficient, from L. insufficientem (nom. insufficiens), from in- "not" + sufficientem (see sufficient). Originally of persons, "inadequate, unable;" of things, from 1494.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

insufficient in·suf·fi·cient (ĭn'sə-fĭsh'ənt)
adj.

  1. Not sufficient.

  2. Incapable of proper functioning.

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