Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun inertia

2 senses of inertia

Sense 1
inactiveness, inactivity, inertia -- (a disposition to remain inactive or inert; "he had to overcome his inertia and get back to work")
       => trait -- (a distinguishing feature of your personal nature)

Sense 2
inertia -- ((physics) the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force)
       => mechanical phenomenon -- (a physical phenomenon associated with the equilibrium or motion of objects)

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