from
The Collaborative International Dictionary of English v.0.48
Demoralize \De*mor"al*ize\, v. t. [imp. & p. p. {Demoralized};
p. pr. & vb. n. {Demoralizing}.] [F. d['e]moraliser; pref.
d['e]- (L. dis- or de) + moraliser. See {Moralize}.]
To corrupt or undermine in morals; to destroy or lessen the
effect of moral principles on; to render corrupt or
untrustworthy in morals, in discipline, in courage, spirit,
etc.; to weaken in spirit or efficiency.
[1913 Webster]
The demoralizing example of profligate power and
prosperous crime. --Walsh.
[1913 Webster]
The vices of the nobility had demoralized the army.
--Bancroft.
[1913 Webster]