deficit

noun

def·​i·​cit ˈde-fə-sət How to pronounce deficit (audio)
British also di-ˈfi-sət
or ˈdē-fə-sət
Synonyms of deficit
1
a(1)
: deficiency in amount or quality
a deficit in rainfall
(2)
: a lack or impairment in an ability or functional capacity
cognitive deficits
a hearing deficit
b
: disadvantage
scored two runs to overcome a 2–1 deficit
2
a
: an excess of expenditure over revenue
facing a deficit of $3 billion
raise taxes to help reduce the budget deficit
b
: a loss (see loss sense 4b) in business operations
the year's operating deficit

Examples of deficit in a Sentence

The government is facing a deficit of $3 billion. We will reduce the federal budget deficit. The team overcame a four-point deficit to win the game. She has a slight hearing deficit in her left ear.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But right after Reid’s dominance resulted in a 14-point deficit, Washington called a timeout. — Charlotte Observer, 27 Oct. 2026 Meanwhile, America’s debt has skyrocketed to $40 trillion, and its budget deficit surged to $2 trillion over the past fiscal year. — David Goldman, CNN Money, 26 Oct. 2026 Beijing held its official deficit target at about 4% of GDP, but the Institute of International Finance estimates the actual deficit could reach as much as 9% and says even that looks insufficient. — Anniek Bao,evelyn Cheng, CNBC, 26 Oct. 2026 On deficits, China also appears to be making some moves in the right direction—though from a more unbalanced starting point. — Eleanor Pringle, Fortune, 26 Oct. 2026 See All Example Sentences for deficit

Word History

Etymology

borrowed from French déficit, going back to Middle French, "item lacking in an inventory," borrowed from Latin dēficit "it is lacking," 3rd person singular present indicative of dēficere "to be lacking, run short, fail" — more at deficient

First Known Use

1782, in the meaning defined at sense 1a(1)

Time Traveler
The first known use of deficit was in 1782

Cite this Entry

“Deficit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deficit. Accessed 27 Oct. 2026.

Kids Definition

deficit

noun
: a deficiency in amount
especially : an excess of expenses over income

Medical Definition

deficit

noun
de·​fi·​cit
ˈdef-(ə-)sət; British also di-ˈfis-ət, ˈdē-fə-sət
: a deficiency of a substance
a potassium deficit
also : a lack or impairment of a functional capacity
cognitive deficits
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