English

Definition of sum verb from the Oxford Advanced Learner's Dictionary

    

sum

 verb
verb
BrE BrE//sʌm//
 
; NAmE NAmE//sʌm//
 
Verb Forms present simple I / you / we / they sum
BrE BrE//sʌm//
 
; NAmE NAmE//sʌm//
 
he / she / it sums
BrE BrE//sʌmz//
 
; NAmE NAmE//sʌmz//
 
past simple summed
BrE BrE//sʌmd//
 
; NAmE NAmE//sʌmd//
 
past participle summed
BrE BrE//sʌmd//
 
; NAmE NAmE//sʌmd//
 
-ing form summing
BrE BrE//ˈsʌmɪŋ//
 
; NAmE NAmE//ˈsʌmɪŋ//
 
 
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 (summing, summed) Word Origin Middle English: via Old French from Latin summa ‘main part, sum total’, feminine of summus ‘highest’.Extra examples ‘So we’re stuck in this place with no food?’ ‘That just about sums it up.’ ‘So we’re stuck in this place, with no food, no heat, no light and no prospect of anyone coming to rescue us?’ ‘That just about sums it up.’ Her whole philosophy can be summed up as ‘so what?’. She summed it up as ‘the most brilliant lecture I’ve ever attended’. The appeal of this charming little town is hard to sum up. The report attempts to sum up recent economic trends. Phrasal Verbssum upsum up somebody
See the Oxford Advanced American Dictionary entry: sum