(1):
(a.) Sobriety of character or demeanor.
(2):
(a.) Lowness of tone; - opposed to acuteness.
(3):
(a.) 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.
(4):
(a.) Importance, significance, dignity, etc; hence, seriousness; enormity; as, the gravity of an offense.
(5):
(a.) The state of having weight; beaviness; as, the gravity of lead.