subtotalPronunciation: /ˈsʌbtəʊt(ə)l/Translate subtotal | into French | into German | into Italian | into Spanish Definition of subtotal noun the total of one set of a larger group of figures to be added. verb (subtotals, subtotalling, subtotalled; US subtotals, subtotaling, subtotaled) [with object] add (numbers) so as to obtain a subtotal. adjective Medicine (of an injury or a surgical operation) partial; not total. subtotal in other Oxford dictionaries Definition of subtotal in the US English dictionary