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inertia

/ɪnˈɝ.ʃə/
noun

  1. The property of a body that resists any change to its uniform motion; equivalent to its mass.

  2. In a person, unwillingness to take action.

  3. Lack of activity; sluggishness; said especially of the uterus, when, in labour, its contractions have nearly or wholly ceased.

Synonymsidleness, laziness, sloth, slothfulness

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