HOME SICK is a term used to describe someone who is feeling homesick, or longing for the comforts of home while away from it. It is a common feeling among travelers, students, and those who are away from home for extended periods of time. The crossword solutions for HOME SICK are OUT (3 letters) and ILL (3 letters). OUT is often used to describe someone who is away from home, while ILL is used to describe someone who is feeling unwell, which is often the case when someone is feeling homesick.