TOEFL IELTS brighten Definition To make or become brighter or more cheerful. 中文 使或变得更亮或更开朗。 Example "The room began to brighten as the sun rose." Sign in to save TOEFL PDF — $25 IELTS PDF — $25 ← briefcase brilliance → Study tips featuring "brighten" TOEFL Academic Vocabulary: Study by Topic Boost Your IELTS Writing With Precise Vocabulary Related words GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate GRE abduct SAT abet GRE abhor GRE abide SAT abject TOEFL ablaze SAT abnormal