Last Updated：2025/11/20

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(physics, uncountable or countable) The property of a body that resists any change to its uniform motion; equivalent to its mass. / (figuratively) In a person, unwillingness to take action.

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inertia

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Source Word

inertia

IPA(Pronunciation)

/ɪnˈɝ.ʃə/

Noun

countable uncountable figuratively

(physics, uncountable or countable) The property of a body that resists any change to its uniform motion; equivalent to its mass. / (figuratively) In a person, unwillingness to take action.

Japanese Meaning

（物理学）物体がその質量により示す、外力が加わった際に状態変化しにくい性質、すなわち慣性 / （比喩的に）新しい行動や変化に抵抗し、現状に留まろうとする性質、惰性