deficit

noun

def·​i·​cit ˈde-fə-sət 

 British also  di-ˈfi-sət,

 or  ˈdē-fə-sət

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

Synonyms

• crunch
• dearth
• deficiency
• drought
• drouth
• failure
• famine
• inadequacy
• inadequateness
• insufficiency
• lack
• lacuna
• paucity
• pinch
• poverty
• scantiness
• scarceness
• scarcity
• shortage
• undersupply
• want

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

Keon Johnson connected from deep to cut their deficit to two with 6.9 seconds left. —C.j. Holmes, New York Daily News, 5 Feb. 2025

In just a little over two weeks, the governor will give his budget address and lay out his plans to plug a fiscal 2026 deficit that as of November was projected to exceed $3 billion. —The Editorial Board, Chicago Tribune, 4 Feb. 2025

Citing the Magic’s ability to overcome a 15-point deficit at the start of the fourth quarter, tie the score at 90 with about five minutes left and take a 92-90 lead, Anthony believes his team is competing. —Jason Beede, Orlando Sentinel, 4 Feb. 2025

India, which on Saturday announced to cut its fiscal deficit to 4.4% of the GDP in its budget, saw the rupee fall to a record low of 87.101 against the dollar, weakening 0.66%. —Amala Balakrishner, CNBC, 3 Feb. 2025

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)

Phrases Containing deficit

• attention deficit disorder
• attention deficit hyperactivity disorder
• deficit spending
• trade deficit

Kids Definition

deficit

noun

def·​i·​cit ˈdef-ə-sət 

: 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