Having a large vocabulary can be advantageous in various situations, including communicating your thoughts and ideas accurately. When expressing an idea that requires you to use the phrase "sleeps with," there are a few synonymous alternatives that you can choose from for a more colorful language. Some options include shares a bed with, cohabits with, has an intimate relationship with, and is romantically involved with. These equivalents to 'sleeps with' allow you to speak more insinuatingly or openly without necessarily offending anyone. While synonyms may not be perfect in all contexts, they enable you to tailor your language to fit different settings and convey your message more effectively.