inactive, idle, inert, passive, supine mean not engaged in work or activity. inactive applies to anyone or anything not in action or in operation or at work. idle applies to persons that are not …

Inert definition: having no inherent power of action, motion, or resistance (active ).. See examples of INERT used in a sentence.

INERT definition: 1. not moving or not able to move: 2. not energetic or interesting: 3. Inert substances do not…. Learn more.

1. having no inherent power of action, motion, or resistance (opposed to active): inert matter. 2. having little or no ability to react, as nitrogen that occurs uncombined in the atmosphere. 3. …

Definition of inert adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

If you describe something as inert, you are criticizing it because it is not very lively or interesting.

Something that's unable to move or moving without much energy can be described as inert. Wind up in a body cast and you’ll find yourself not only itchy, but totally inert. When motion is …

Oct 15, 2025 · inert (third-person singular simple present inerts, present participle inerting, simple past and past participle inerted) To fill with an inert gas to reduce the risk of explosion.

How is the word inert different from other adjectives like it? Some common synonyms of inert are idle, inactive, passive, and supine.

inert, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary