Wordnet 3.0
ADJECTIVE (1)
1. 
 not suitable for food; 
[syn: inedible, uneatable]
The Collaborative International Dictionary of English v.0.48:
Uneatable \Uneatable\
   See eatable.
WordNet (r) 3.0 (2006):
uneatable
    adj 1: not suitable for food [syn: inedible, uneatable]
           [ant: comestible, eatable, edible]