sumtotal noun4 •Total.Disposable income is the sumtotal of money incomes that remain at the disposal of individuals. — 1963 •Entirety.A cognition has got to be perceived in its turn like other objects and this cogniser must be the 'self,' that cognises the different cognitions which from the sumtotal of our life experience. — 1997 •Alternative form of sum total. •Epitome. formssumtotals