Search Result for "unbreakable": 
Wordnet 3.0

ADJECTIVE (1)

1. impossible to break especially under ordinary usage;
- Example: "unbreakable plastic dinnerwear"



WordNet (r) 3.0 (2006):

unbreakable
    adj 1: impossible to break especially under ordinary usage;
           "unbreakable plastic dinnerwear" [ant: breakable]