Synonyms of inertia

Noun

1. inactiveness, inactivity, inertia, trait

usage: a disposition to remain inactive or inert; "he had to overcome his inertia and get back to work"

2. inertia, mechanical phenomenon

usage: (physics) the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force

Definition and meaning of inertia (Dictionary)