cautiousadjective/kawtɨˈlozu/mediumcau·te·lo·soPortuguesEnglishEspanolFrancaisDefinitionShowing careful forethought to avoid danger or harm.He is a cautious investor, avoiding high-risk stocks.Be cautious when walking on the icy pavement.syncarefulprudentwaryantrecklessrashcarelessCommon collocationscautious approachcautious optimismbe cautious ofextremely cautiousEtymologyDo latim cautelosus, de cautela (precaução).Related wordscautelacautelosamentedescautelosoprecaução