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 Quiz → IELTS Quiz → ← briefcase brilliance → Study tips featuring "brighten" Audit Your Own Writing to Find Gaps TOEFL Academic Vocabulary: Study by Topic Boost Your IELTS Writing With Precise Vocabulary Related words TOEFL swiftness GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate GRE abduct SAT abet GRE abhor GRE abide SAT abject TOEFL ablaze