IELTS cautious Definition Careful to avoid potential problems or dangers. Example "She was cautious about investing in the new startup." Sign in to save IELTS Quiz → ← caution cautiously → Study tips featuring "cautious" Audit Your Own Writing to Find Gaps Boost Your IELTS Writing With Precise Vocabulary Related words IELTS sincere GRE abide SAT abnormal TOEFL aboard TOEFL abolition TOEFL abort IELTS abortion SAT abrupt SAT absence TOEFL absent GRE absolute TOEFL absolutely