definitions

deficiency

[ dih-fish-uhn-see ]
/ dɪˈfɪʃ ən si /
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SEE MORE SYNONYMS FOR deficiency ON THESAURUS.COM

noun, plural de·fi·cien·cies.

the state of being deficient; lack; incompleteness; insufficiency.
the amount lacked; a deficit.

RELATED WORDS

flaw, failing, failure, weakness, lack, defect, dearth, glitch, insufficiency, shortcoming, scarcity, shortage, frailty, fault, loss, privation, default, demerit, bug, paucity

Nearby words

defibrillation, defibrillator, defibrinate, defibrination, deficience, deficiency, deficiency account, deficiency disease, deficiency judgment, deficiency symptom, deficient

Origin of deficiency

1625–35; < Late Latin dēficientia, Latin dēficient- (stem of dēficiēns). See deficient, -ency

Related forms

non·de·fi·cien·cy, noun, plural non·de·fi·cien·cies.pre·de·fi·cien·cy, noun, plural pre·de·fi·cien·cies.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for deficiency

British Dictionary definitions for deficiency

deficiency

/ (dɪˈfɪʃənsɪ) /

noun plural -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

Medicine definitions for deficiency

deficiency

[ dĭ-fĭsh′ən-sē ]

n.

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.