IELTS topic Definition A subject of discussion, debate, or thought. Example "Climate change is a crucial topic in today's science classes." Sign in to save IELTS PDF — $25 ← tonic topographical → Study tips featuring "topic" Boost Your IELTS Writing With Precise Vocabulary Related words TOEFL brighten IELTS startle GRE abide SAT abnormal TOEFL aboard TOEFL abolition IELTS upward TOEFL abort IELTS abortion SAT abrupt SAT absence TOEFL absent