(1):

(v. t.) To occasion grief to; to wound the sensibilities of; to make sorrowful; to cause to suffer; to afflict; to hurt; to try.

(2):

(v. t.) To sorrow over; as, to grieve one's fate.

(3):

(v. i.) To feel grief; to be in pain of mind on account of an evil; to sorrow; to mourn; - often followed by at, for, or over.

(4):

(n.) Alt. of Greeve