A word for someone you snog, marry and have five children with, but only as a very drawn-out joke within an obviously platonic relationship.
Who's that woman? Just my roommate. Nothing to see here.
How historians refer to people like Sappho and Hercules
"Ah yes, these female roommates from 1890 who lived together for 60 years until they died, never married, and died shortly one after the other."
person 1: ..and they were roommates!
person 2: Oh my god they were roommates.
Males only. There's really no way to win, but you lose when you see your roommate's dick.
"Yeah, he made me lose the roommate game."