The act of corrupting or subverting morals. Especially: The act of corrupting or subverting discipline, courage, hope, etc., or the state of being corrupted or subverted in discipline, courage, etc.; as, the demoralization of an army or navy.

destroying the moral basis for a doctrine or policy

depression resulting from an undermining of your morale

feelings of hopelessness and helplessness.

a state of disorder and confusion; "his inconsistency resulted in the demoralization of his staff"