TOEFL IELTS slightly Definition To a small degree or extent. Example "She was slightly late for the meeting." Sign in to save TOEFL PDF — $25 IELTS PDF — $25 ← slight slim → Study tips featuring "slightly" 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