Individualize \In`di*vid"u*al*ize\, v. t. [imp. & p. p. {Individualized}; p. pr. & vb. n. {Individualizing}.] [Cf. F. individualiser.] The mark as an individual, or to distinguish from others by peculiar properties; to invest with individuality. The peculiarities which individualize and distinguish the humor of Addison. --N. Drake.