Definition of caution noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The meaning of CAUTION is warning, admonishment. How to use caution in a sentence. Learn the meaning, usage, and synonyms of the word caution, as well as its legal and informal implications. Find out how to use caution in a sentence and see related expressions and idioms. Caution definition: alertness and prudence in a hazardous situation; care; wariness.. See examples of CAUTION used in a sentence.
