Inoperable
Inoperable adjective - Not being in working order.
Usage example: we have several inoperable cars on the property
Useful is an antonym for inoperable.
Nearby Word: inoperative
Useful
Useful adjective - Capable of or suitable for being used for a particular purpose.
Usage example: I've found this tool really useful for making sure all my pictures are hung straight
Inoperable is an antonym for useful.
Both words in one sentence
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Being able to fight effectively in situations where your primary weapon is inoperable or impractical is a useful ability, though the training is usually considered more for building confidence, aggression, and physical conditioning.
Cite this Source
Useful and Inoperable. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/inoperable/useful
Inoperable & Useful. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/inoperable/useful>.
Useful or Inoperable. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/inoperable/useful.
Google Ngram Viewer shows how "inoperable" and "useful" have occurred on timeline