inertness

The state or quality of being inert.

The state of being inherently destitute of the power of motion or action; that property by which bodies tend to persist in a state of rest, or of motion derived from external force. See inertia.

Lack of activity or exertion; habitual indisposition to action or motion; sluggishness; apathy; insensibility.

Absence of the power of self-motion; inertia.

Want of activity or exertion; habitual indisposition to action or motion; sluggishness; apathy; insensibility.