Master the word " PROMISCUOUS " in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource. Promiscuous means having sex with many different people or including a wide range of different things. Learn more about the word origin, synonyms, antonyms, and usage examples of promiscuous . Promiscuity is the act of having sexual relationships with multiple people. Learn why someone may behave promiscuously and how society treats those who are promiscuous . The adjective promiscuous is often used pejoratively to refer to someone who has many romantic partners. However, the word can also be used in a general sense to mean "not limited, restrained, or restricted." If you're a promiscuous reader, you'll read just about anything — from biographies to science fiction to the back of the cereal box.