(1):
(a.) Cast down; low-lying.
(2):
(a.) Sunk to a law condition; down in spirit or hope; degraded; servile; groveling; despicable; as, abject posture, fortune, thoughts.
(3):
(a.) To cast off or down; hence, to abase; to degrade; to lower; to debase.
(4):
(n.) A person in the lowest and most despicable condition; a castaway.