A roommate is a person with whom one shares a living space, such as an apartment or house. Roommates typically split the costs of rent, utilities, and other household expenses. They may also share responsibilities for cleaning and maintaining the living environment. Having a roommate can provide companionship and help reduce living costs. Many people find roommates through online platforms or university housing offices. Good communication and mutual respect are essential for a positive roommate relationship, as differing lifestyles and habits can lead to conflicts if not managed properly.