Definition of Inert

1. Adjective. Unable to move or resist motion.

Similar to: Nonmoving, Unmoving
Derivative terms: Inertness

2. Adjective. Having only a limited ability to react chemically; chemically inactive. "An indifferent chemical in a reaction"
Exact synonyms: Indifferent, Neutral
Category relationships: Chemical Science, Chemistry
Similar to: Unreactive
Derivative terms: Neutrality

3. Adjective. Slow and apathetic. "A mind grown torpid in old age"
Exact synonyms: Sluggish, Soggy, Torpid
Similar to: Inactive
Derivative terms: Inertness, Sluggishness, Torpidity, Torpidness

Definition of Inert

1. a. Destitute of the power of moving itself, or of active resistance to motion; as, matter is inert.

Definition of Inert

1. Adjective. unable to move or act; inanimate ¹

2. Adjective. sluggish or lethargic ¹

3. Adjective. in chemistry, not readily reacting with other elements or compounds ¹

4. Adjective. having no therapeutic action ¹

5. Noun. (chemistry) A substance that does not react chemically. ¹

¹ Source:

Definition of Inert

1. something that lacks active properties [n -S]

Medical Definition of Inert

1. Unreactive. Refers to a substance which will not chemically react with anything under normal circumstances. (09 Oct 1997)

Inert Pictures

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Lexicographical Neighbors of Inert

inert (current term)
inert gas
inert gas narcosis
inert gases
inertia time
inertia welding
inertial confinement fusion
inertial frame
inertial frame of reference

Literary usage of Inert

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Positive Philosophy of Auguste Comte by Auguste Comte, Frederic Harrison (1896)
"However this may be, it would be purely absurd now to regard any portion of matter whatever as inert, as a matter of fact, or under the .. , head of Physics ..."

2. Agriculture in Some of Its Relations with Chemistry by Frank Humphreys Storer (1897)
"In many cases this formation of ammonia from the inert nitrogen in the peat probably depends on the action of micro-organisms, as in the experiments of ..."

3. Waterproofing Engineering for Engineers, Architects, Builders, Roofers and by Joseph Ross (1919)
"A governing property of all inert fillers is that they should not only be inert in the presence of the cement but also to atmospheric moisture and gases and ..."

4. Drug Labeling In Developing Countries by DIANE Publishing Company (2004)
"In the final analysis, lack of an inert ingredient list did not contribute to overall divergent scores, except in the few cases where a particular inert ..."

5. The U. S. Coal Industry, 1970-1990: Two Decades of ChangeTechnology (1992)
"This process occurs when any inert gas is breathed. Absorption consists of several phases, including the transfer of inert gas from the lungs to the blood ..."

6. Transactions of the American Institute of Mining, Metallurgical and (1915)
"even small amounts of inert pigments. That such inert pigments do have a proper and legitimate place in the manufacture of prepared paints, has been shown ..."

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