There are many synonyms for the phrase "free and easy." Some alternatives are laid-back, relaxed, carefree, casual, effortless, easygoing, mellow, and nonchalant. These words all convey a sense of ease and informality, without the constraints of rules or expectations. "Free and easy" can be used to describe a person's demeanor, a situation, or a lifestyle. It can suggest a sense of leisure, comfort, and enjoyment. Whatever the context, using alternative words to describe this state of being can add nuance and emphasis to your writing or speech.