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"
an excess of liabilities over assets (usually over a certain period); "last year there was a serious budgetary deficit"
(sports) the score by which a team or individual is losing
a deficiency or failure in neurological or mental functioning; "the people concerned have a deficit in verbal memory"; "they have serious linguistic deficits"
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"