[def.i.cit] n [F deficit, fr. L deficit it is wanting, 3d sing. pres. indic. of deficere] (1782) 1 a (1): deficiency in amount or quality "a ~ in rainfall" (2): a lack or impairment in a functional capacity "cognitive ~s" "a hearing ~" b: disadvantage "scored two runs to overcome a 2-1 ~"
2. a: an excess of expenditure over revenue b: a loss in business operations