That property of matter by which it tends when at rest to remain so, and when in motion to continue in motion, and in the same straight line or direction, unless acted on by some external force; - sometimes called vis inertiæ. The inertia of a body is proportional to its mass.
Inertness; indisposition to motion, exertion, or action; lack of energy; sluggishness.
Lack of activity; sluggishness; - said especially of the uterus, when, in labor, its contractions have nearly or wholly ceased.
The state of having weight; beaviness; as, the gravity of lead.
Sobriety of character or demeanor.
Importance, significance, dignity, etc; hence, seriousness; enormity; as, the gravity of an offense.
The tendency of a mass of matter toward a center of attraction; esp., the tendency of a body toward the center of the earth; terrestrial gravitation.
Lowness of tone; - opposed to acuteness.
