Wordnet 3.0
ADJECTIVE (2)
1. 
 not busy or occupied; 
 free; 
- Example: "the cancellation left her unengaged a good part of the afternoon"2. 
 not promised in marriage; 
- Example: "continued seeing him but on an unengaged basis"[syn: unengaged, unpledged, unpromised]
The Collaborative International Dictionary of English v.0.48:
Unengaged \Unengaged\
   See engaged.
WordNet (r) 3.0 (2006):
unengaged
    adj 1: not busy or occupied; free; "the cancellation left her
           unengaged a good part of the afternoon"
    2: not promised in marriage; "continued seeing him but on an
       unengaged basis" [syn: unengaged, unpledged,
       unpromised]