unharmful From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsadjectiveNot harmful. Related wordsSynonymsnonharmfulunhurtfulunharmablenondetrimentalinnocuousunharmingharmlessunhazardousnondangerousuninjurioushurtlessnoninjuriousunhurtingundamagingnondeleteriousundangerous References Wiktionary — unharmful Wikipedia — unharmful