(1):

(adv.) Alt. of Downwards

(2):

(a.) Descending from a head, origin, or source; as, a downward line of descent.

(3):

(a.) Tending to a lower condition or state; depressed; dejected; as, downward thoughts.

(4):

(a.) Moving or extending from a higher to a lower place; tending toward the earth or its center, or toward a lower level; declivous.