FRIENDTIMATE:

FRIENDTIMATE: (frĕn-tĭm-ĭt) adj. ; 1. The state of condition of being in an intimate sexual relationship with someone who is otherwise a platonic friend. 2. The state or condition of having sexual intimacy with a person who is also considered to be a casual or close friend with a mutual understanding that the sexual dynamic is only casual.
Used In A Sentence: (a). “Javon and Brendan remained friendtimate long after they married other people.” (b). “If Tarves and I decide to get serious I can no longer be friendtimate with you. ”

FRIENDTIMATELY: (frĕn-tĭm-ĭt-lē) adj. Adverb: “After She broke up with Dennis we were only friendtimately involved; I knew we’d never become lovers.”