Murderous/ˈmɜːrdərəs/ Definition 1 of 4Pro Tip 1/2Violent Implications The term often implies an intent to harm with extreme violence, more than just having the ability. The villain's murderous glare made everyone uneasy. Pro Tip 2/2Not Always Literal Can be used figuratively to emphasize a hostile or harmful attitude. Her murderous tone suggested she was far from forgiving.