[more harmless; most harmless] : not causing harm : unable to cause harm : not dangerous
▪ a harmless snake ▪ His ideas seem harmless enough. : not meant to cause harm or offense ▪ We're just having a bit of harmless fun. ▪ It was just a harmless joke. — sometimes + to ▪ These chemicals are deadly to insects but they are supposed to be harmless to animals and people.
▪ a harmless snake ▪ His ideas seem harmless enough. : not meant to cause harm or offense ▪ We're just having a bit of harmless fun. ▪ It was just a harmless joke. — sometimes + to ▪ These chemicals are deadly to insects but they are supposed to be harmless to animals and people.
— harm·less·ly adverb
▪ The incident began harmlessly enough but soon escalated into a riot.
▪ The incident began harmlessly enough but soon escalated into a riot.
— harm·less·ness noun [noncount]







