Disinteress \Dis*in"ter*ess\, v. t. [F. d['e]sint['e]resser to
deprive of interest in; pref. d['e]s- (L. dis-) +
int['e]resser to interest, fr. L. interesse to import,
concern. See {Interest}, and cf. {Disinterest}.]
To deprive or rid of interest in, or regard for; to
disengage. [Obs.]
[1913 Webster]