inertia

1. A disposition to remain inactive or inert (synset 104642988)
   "he had to overcome his inertia and get back to work"
   is a type of: trait - a distinguishing feature of your personal nature
   subtypes:

   • flatness, languor, lethargy, phlegm, sluggishness - inactivity; showing an unusual lack of energy
   • restfulness - the attribute of being restful
   • passiveness, passivity - the trait of remaining inactive; a lack of initiative
   • indolence, laziness - inactivity resulting from a dislike of work
   same as: inactiveness, inactivity
2. (physics) the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force (synset 111489163)
   referred to in: natural philosophy, physics - the science of matter and energy and their interactions
   is a type of: mechanical phenomenon - a physical phenomenon associated with the equilibrium or motion of objects
   subtypes: moment of inertia - the tendency of a body to resist angular acceleration

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