Search Result for "omissible": 
Wordnet 3.0

ADJECTIVE (1)

1. capable of being left out;


The Collaborative International Dictionary of English v.0.48:

Omissible \O*mis"si*ble\, a. Capable of being omitted; that may be omitted. [1913 Webster]
WordNet (r) 3.0 (2006):

omissible adj 1: capable of being left out