IELTS opt Definition To make a choice from available possibilities. Example "Many students opt to take a gap year before starting college." Sign in to save IELTS PDF — $25 ← opprobrious optical → Study tips featuring "opt" 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