Wordnet 3.0
ADJECTIVE (1)
1. 
 without fat or fat solids; 
- Example: "nonfat or fat-free milk"[syn: nonfat, fat-free, fatless]
WordNet (r) 3.0 (2006):
nonfat
    adj 1: without fat or fat solids; "nonfat or fat-free milk"
           [syn: nonfat, fat-free, fatless] [ant: fat,
           fatty]