1. the property of being an amount by which something is less than expected or required

    Synonyms : shortage, shortfall
    Type Of : deficiency, inadequacy, insufficiency
    Examples :
    • new blood vessels bud out from the already dilated vascular bed to make up the nutritional deficit
  2. a deficiency or failure in neurological or mental functioning

    Type Of : want, deficiency, lack
    Examples :
    • the people concerned have a deficit in verbal memory
    • they have serious linguistic deficits
  3. an excess of liabilities over assets (usually over a certain period)

    Type Of : liabilities
    Examples :
    • last year there was a serious budgetary deficit
  4. (sports) the score by which a team or individual is losing

    Antonyms : lead
    Type Of : score