"unengaged" in the adjective sense
1. unengaged
not busy or occupied free
"the cancellation left her unengaged a good part of the afternoon"
2. unengaged, unpledged, unpromised
not promised in marriage
"continued seeing him but on an unengaged basis"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License