inoperative

adjective in·op·er·a·tive \-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

See inoperative defined for English-language learners

See inoperative defined for kids

circa 1631

Synonyms: dead, dormant, fallow, free, idle, inert, inactive, latent, off, unused, vacant

Antonyms: active, alive, busy, employed, functioning, going, living, on, operating, operative, running, working

Next Word in the Dictionary: inopercularPrevious Word in the Dictionary: inoperableAll Words Near: inoperative

What made you want to look up inoperative? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears