There are many synonyms for the phrase "living alone." Some common alternatives include living solo, living by oneself, living independently, or living on one's own. Other possibilities might include solitary living, lone living, or self-reliant living. These phrases all indicate that an individual is living without companionship or cohabitation with others. While this type of lifestyle may be appealing to some, it can also be challenging and may lead to feelings of isolation or loneliness. However, for others, living alone is a valuable opportunity for self-discovery and personal growth.