'Inoperative' definitions:

Definition of 'inoperative'

From: WordNet
adjective
Not working or taking effect; "an inoperative law" [ant: operative]

Definition of 'Inoperative'

From: GCIDE
  • Inoperative \In*op"er*a*tive\, a. [Pref. in- not + operative.] Not operative; not active; producing no effects; as, laws renderd inoperative by neglect; inoperative remedies or processes. Inopercular