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1. An excess of liabilities over assets (usually over a certain period)
   "last year there was a serious budgetary deficit"
    
2. The 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";
   - shortage, shortfall
    
3. A deficiency or failure in neurological or mental functioning
   "the people concerned have a deficit in verbal memory"; "they have serious linguistic deficits"
    
4. (sport) the score by which a team or individual is losing

Derived forms: deficits

Type of: deficiency, inadequacy, insufficiency, lack, liabilities, score, want

Antonym: lead

Encyclopedia: Deficit