▪ a cause or likely cause of harm or injury: "the dangers of smoking"Similarmenacehazardthreatriskperilsource of apprehensionsource of dreadsource of frightsource of fearsource of terror
▪ the status of a railway signal indicating that the line is not clear and that a train should not proceed:"one of the trains involved passed a signal at danger"
Word OriginMiddle English (in the sense ‘jurisdiction or power’, specifically ‘power to harm’): from Old French dangier, based on Latin dominus ‘lord’.