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 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