English Dictionary

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inertia (ɪnˈɜːʃə Pronunciation for inertia ; -ʃɪə) 



  1. the state of being inert; disinclination to move or act
  2. (physics)
    1. the tendency of a body to preserve its state of rest or uniform motion unless acted upon by an external force
    2. an analogous property of other physical quantities that resist change   ⇒ thermal inertia

Derived Forms

inˈertial adjective


View thesaurus entry
= inactivity, apathy, lethargy, passivity, stillness, laziness, sloth, idleness, stupor, drowsiness, dullness, immobility, torpor, sluggishness, indolence, lassitude, languor, listlessness, deadness, unresponsiveness, disinclination to move,

Translations for 'inertia'

  • British English: inertia If you have a feeling of inertia, you feel very lazy and unwilling to move or be active. NOUNHe resented her inertia, her lack of energy and self-direction.
  • Brazilian Portuguese: inércia
  • Chinese: 懒惰懒懶惰
  • European Spanish: pereza
  • French: inertie
  • German: Trägheit
  • Italian: inerzia
  • Japanese: ものぐさ
  • Korean: 무력감
  • Portuguese: inércia
  • Spanish: inercia

Example Sentences Including 'inertia'

Being inspired to give in such a free and selfless way liberates him from the inertia of self-gratification devoid of caring for others.
John Gray MEN ARE FROM MARS, WOMEN ARE FROM VENUS: Get seriously involved with the classic guide to surviving the opposite sex (2002)
David Foster, chief executive officer, says: "The biggest problem we have is inertia.
Times, Sunday Times (2002)
Employees fail to question the validity and effectiveness of processes from time to time, causing inertia in the organisation.
Business Today (2000)
He also questions if there is any right way to handle change and institutional inertia and not bruise media egos.
New Zealand Herald (2003)
He struggled against gravity and inertia , his scalp prickling with sweat from the exertion, then was able to roll onto his other side.
Terman, Douglas Cormorant
I wallow in my pit of miserable inertia , unable to help myself.
Alex George LOVE YOU MADLY (2002)
In the end, she says, the only thing dividing French women from other women is inertia.
The Advertiser, Sunday Mail (2005)
Mr Primakov, whose short stint in office has produced little more than inertia , fits the bill.
Independent (1998)
`Sir, you said Mr Hanford's been into a policy of calculated inertia.
Parkes, Roger Riot


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