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 Quiz → ← opprobrious optical → Study tips featuring "opt" Audit Your Own Writing for Lexical Resource Explain New Words Out Loud To Yourself Audit Your Own Writing to Find Gaps 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