Wordnet 3.0
ADJECTIVE (1)
1. 
 not marked with a brand; 
- Example: "unbranded cattle"
The Collaborative International Dictionary of English v.0.48:
Unbranded \Unbranded\
   See branded.
WordNet (r) 3.0 (2006):
unbranded
    adj 1: not marked with a brand; "unbranded cattle" [ant:
           branded]