[ def-uh-sit; British also dih-fis-it ]
/ ˈdɛf ə sɪt; British also dɪˈfɪs ɪt /


the amount by which a sum of money falls short of the required amount.
the amount by which expenditures or liabilities exceed income or assets.
a lack or shortage; deficiency.
a disadvantage, impairment, or handicap: The team's major deficit is its poor pitching.
a loss, as in the operation of a business.

Nearby words

  1. deficiency judgment,
  2. deficiency symptom,
  3. deficient,
  4. deficient number,
  5. deficiently,
  6. deficit financing,
  7. deficit spending,
  8. defier,
  9. defilade,
  10. defile

Origin of deficit

1775–85; < Latin dēficit (it) lacks, 3rd person singular present indicative of dēficere; see deficient

Related formssu·per·def·i·cit, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for deficit

British Dictionary definitions for deficit


/ (ˈdɛfɪsɪt, dɪˈfɪsɪt) /


the amount by which an actual sum is lower than that expected or required
  1. an excess of liabilities over assets
  2. an excess of expenditures over revenues during a certain period
  3. an excess of payments over receipts on the balance of payments

Word Origin for deficit

C18: from Latin, literally: there is lacking, from dēficere to be lacking

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

Word Origin and History for deficit



1782, from French déficit (late 17c.), from Latin deficit "it is wanting," an introductory word in clauses of inventory, third person singular present indicative of deficere "to be deficient" (see deficient).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for deficit


[ dĕfĭ-sĭt ]


A lack or deficiency of a substance.
A lack or impairment in mental or physical functioning.

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

Culture definitions for deficit


A shortage, especially the amount by which a sum of money falls short of what is required; a debt.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.