'Inertia' definitions:

Definition of 'inertia'

(from WordNet)
noun
A disposition to remain inactive or inert; "he had to overcome his inertia and get back to work" [syn: inactiveness, inactivity, inertia] [ant: activeness, activity]
noun
(physics) the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force

Definition of 'Inertia'

From: GCIDE
  • Inertia \In*er"ti*a\, n. [L., idleness, fr. iners idle. See Inert.] [1913 Webster]
  • 1. (Physics) 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 inerti[ae]}. The inertia of a body is proportional to its mass. [1913 Webster +PJC]
  • 2. Inertness; indisposition to motion, exertion, or action; lack of energy; sluggishness. [1913 Webster]
  • Men . . . have immense irresolution and inertia. --Carlyle. [1913 Webster]
  • 3. (Med.) Lack of activity; sluggishness; -- said especially of the uterus, when, in labor, its contractions have nearly or wholly ceased. [1913 Webster]
  • Center of inertia. (Mech.) See under Center. [1913 Webster]

Synonyms of 'inertia'

From: Moby Thesaurus

Words containing 'Inertia'