Wordnet 3.0
ADJECTIVE (1)
1. 
 (especially of a title) free from any encumbrance or limitation that presents a question of fact or law; 
- Example: "I have clear title to this property"[syn: clear, unmortgaged]
The Collaborative International Dictionary of English v.0.48:
Unmortgaged \Unmortgaged\
   See mortgaged.
WordNet (r) 3.0 (2006):
unmortgaged
    adj 1: (especially of a title) free from any encumbrance or
           limitation that presents a question of fact or law; "I
           have clear title to this property" [syn: clear,
           unmortgaged]