UNDETERMINATION
Un`de*ter`mi*na"tion, n.

Defn: Indetermination. Sir M. Hale.

UNDEVIL
Un*dev"il, v. t. Etym: [1st pref. un- + devil.]

Defn: To free from possession by a devil or evil spirit; to exorcise.
[Obs.]
They boy having gotten a habit of counterfeiting . . . would not be
undeviled by all their exorcisms. Fuller.

UNDEVOTION
Un`de*vo"tion, n.

Defn: Absence or want of devotion.

UNDID
Un*did",

Defn: imp. of Undo.

UNDIFFERENTIATED
Un*dif`fer*en"ti*a`ted, a.

Defn: Not differentiated; specifically (Biol.), homogenous, or nearly so; — said especially of young or embryonic tissues which have not yet undergone differentiation (see Differentiation, 3), that is, which show no visible separation into their different structural parts.