| Noun | 1. | deficit - the property of being an amount by which something is less than expected or required; "new blood vessels bud out from the already dilated vascular bed to make up the nutritional deficit" inadequacy, deficiency, insufficiency - lack of an adequate quantity or number; "the inadequacy of unemployment benefits" oxygen deficit - temporary oxygen shortage in cells resulting from strenuous exercise |
| 2. | deficit - a deficiency or failure in neurological or mental functioning; "the people concerned have a deficit in verbal memory"; "they have serious linguistic deficits" deficiency, lack, want - the state of needing something that is absent or unavailable; "there is a serious lack of insight into the problem"; "water is the critical deficiency in desert regions"; "for want of a nail the shoe was lost" | |
| 3. | deficit - (sports) the score by which a team or individual is losing score - a number that expresses the accomplishment of a team or an individual in a game or contest; "the score was 7 to 0" lead - (sports) the score by which a team or individual is winning | |
| 4. | deficit - an excess of liabilities over assets (usually over a certain period); "last year there was a serious budgetary deficit" liabilities - anything that is owed to someone else budget deficit - an excess of expenditures over revenues trade deficit - an excess of imports over exports |