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Definition of Inertia
1. Noun. A disposition to remain inactive or inert. "He had to overcome his inertia and get back to work"
Generic synonyms: Trait
Specialized synonyms: Flatness, Languor, Lethargy, Phlegm, Sluggishness, Restfulness, Passiveness, Passivity, Indolence, Laziness
Antonyms: Activeness
Derivative terms: Inactive, Inactive, Inactive
2. Noun. (physics) the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force.
Specialized synonyms: Moment Of Inertia
Generic synonyms: Mechanical Phenomenon
Definition of Inertia
1. n. That property of matter by which it tends when at rest to remain so, and when in motion to continue in motion, and in the same straight line or direction, unless acted on by some external force; -- sometimes called vis inertiæ.
Definition of Inertia
1. Noun. (physics uncountable or countable) The property of a body that resists any change to its uniform motion; equivalent to its mass. ¹
2. Noun. (figuratively) In a person, unwillingness to take action. ¹
¹ Source: wiktionary.com
Definition of Inertia
1. the tendency of a body to resist acceleration [n -TIAS or -TIAE] : INERTIAL [adj]
Medical Definition of Inertia
1. Inactivity, inability to move spontaneously. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)