Vice/vaɪs/ Definition 1 of 4Pro Tip 1/3Negative Connotation The word 'vice' implies a strong negative judgment about someone's behavior or habit. His gambling vice destroyed his family's finances. Pro Tip 2/3Often Addictive 'Vice' typically refers to habits that can be addictive or hard to break. Many people find their sweet tooth to be a vice they can't give up. Pro Tip 3/3Moral Undertone Using 'vice' in a sentence often carries a moral undertone of disapproval. She viewed his love for luxury as a vice, not merely a preference.