adjective \-ˈä-p(ə-)rə-tiv, -ˈä-pə-ˌrā-\

: not capable of being used

: having no force or effect

Full Definition of INOPERATIVE

:  not operative: as
a :  not functioning <an inoperative clock>
b :  having no effect or force <an inoperative law>
in·op·er·a·tive·ness noun


  1. The accident had rendered the vehicle inoperative.
  2. With the new federal law in place, the state law has become inoperative.

First Known Use of INOPERATIVE

circa 1631


Next Word in the Dictionary: inopercular
Previous Word in the Dictionary: inoperable
All Words Near: inoperative

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