def·i·cit / ˈdefəsit/ • n. the amount by which something, esp. a sum of money, is too small. ∎  an excess of expenditure or liabilities over income or assets in a given period: an annual operating deficit. ∎  (in sports) the amount or score by which a team or individual is losing: came back from a 3–0 deficit. ∎  technical a deficiency or failing, esp. in a neurological or psychological function.

DEFICIT

A deficiency, misappropriation, or defalcation; a minus balance; something wanting.

Deficit is commonly used to mean any kind of shortage, as in an account, a number, or a balance due. Deficit spending or financing involves taking in less money than the amount that is paid out.

cross-references

Federal Budget.

deficit XVIII. — F. déficit — L. dēficit there is wanting, 3rd pers. sing. pres. ind. of dēficere (see DEFECT); formerly placed against an item in an account.