Wordnet 3.0
ADJECTIVE (2)
1. 
 without deliberate intent; 
- Example: "my heart with unwilled love grew warm"- George Macdonald[syn: unintentional, unwilled]
2.  without deliberate volition; 
The Collaborative International Dictionary of English v.0.48:
Unwilled \Un*willed"\, a. [1st pref. un- + will.]
   Deprived of the faculty of will or volition. --Mrs. Browning.
   [1913 Webster]
WordNet (r) 3.0 (2006):
unwilled
    adj 1: without deliberate intent; "my heart with unwilled love
           grew warm"- George Macdonald [syn: unintentional,
           unwilled]
    2: without deliberate volition