Definition

Not working or not having any effect; something that is not functioning as it should.

Example

The old machine is inoperative and needs to be repaired.

Conversation

Did you hear that the old playground is inoperative now?

Yeah, I saw that! It's such a shame because the kids loved it.

I wonder if they plan to fix it or just leave it inoperative.

Hopefully, they'll make it safe again; it was a fun place to hang out.

Synonyms & Antonyms

Root Explanation

Inoperative → It is formed from "in-" (meaning not) and "operari" (meaning to work or operate). The word "inoperative" means not functioning or not working.

Memory Tip

Think of 'not' ('in-') working ('operari') — that's why inoperative means something that is not functioning.

Visually Confused Words