TOEFL careful Definition Exercising caution to avoid harm or mistakes. Example "Please be careful when crossing the busy street." Sign in to save TOEFL PDF — $25 ← careerism careless → Study tips featuring "careful" TOEFL Academic Vocabulary: Study by Topic Related words TOEFL brighten GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate GRE abduct SAT abet GRE abhor GRE abide SAT abject TOEFL ablaze