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.

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

[ not gradable ] not reacting chemically with other substances: an inert gas (Definition of inert from the Cambridge Academic Content Dictionary © Cambridge University Press)

Nov 9, 2025 · In a general sense, an object is inert if it is motionless or incapable of spontaneous action, such as a rock resting on the ground. When applied to chemistry, the term shifts to describe a lack of …

Jul 2, 2025 · In the realm of chemistry, ‘inert’ describes a substance’s propensity, or rather lack thereof, to participate in chemical reactions. An inert element or compound exhibits minimal to zero reactivity …

Jan 6, 2026 · An inert material stands in direct contrast to a highly reactive substance, which readily undergoes chemical transformation, often releasing energy in the process.

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. having no …

An inert gas is a gas that does not readily undergo chemical reactions with other chemical substances and therefore does not readily form chemical compounds.

Oct 28, 2025 · When the atoms and molecules of a substance are incredibly stable, they remain chemically “still” and do not easily trade partners with the surrounding environment. This stability …

Someone or something that is inert does not move at all. He covered the inert body with a blanket.