TOEFL IELTS effort Definition Physical or mental exertion made to achieve something. Example "She put a lot of effort into preparing for the exam." Sign in to save TOEFL PDF — $25 IELTS PDF — $25 ← effigy effrontery → Study tips featuring "effort" TOEFL Academic Vocabulary: Study by Topic Boost Your IELTS Writing With Precise Vocabulary Related words TOEFL brighten GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate GRE abduct SAT abet GRE abhor GRE abide SAT abject TOEFL ablaze