IELTS sum Definition The total amount resulting from the addition of numbers. 中文 数字相加后得到的总数。 Example "The sum of 7 and 8 is 15." Sign in to save IELTS Quiz → ← sultry summary → Study tips featuring "sum" Audit Your Own Writing to Find Gaps Boost Your IELTS Writing With Precise Vocabulary Related words IELTS sincere GRE abide SAT abnormal TOEFL aboard TOEFL abolition TOEFL abort IELTS abortion SAT abrupt SAT absence TOEFL absent GRE absolute TOEFL absolutely