A deficit is the amount by which a sum falls short of some reference amount.
Economics Deficit (economics), the excess of an organization's expenditure over its revenue
Psychology Attention deficit hyperactivity disorder, a developmental disorder Cognitive deficit, any characteristic that acts as a barrier to cognitive performance
Other Defect (geometry), angular deficit Déficit, a 2007 Mexican film by Gael García Bernal
See also
Government debt, the accumulated amount of deficits; "debt" and "deficit" are sometimes confused. Deficit Reduction Act (disambiguation) Deficit reduction Fiscal (disambiguation)