Immortalize \Im*mor"tal*ize\, v. t. [imp. & p. p. {Immortalized}; p. pr. & vb. n. {Immortalizing}.] [Cf. F. immortaliser.] 1. To render immortal; to cause to live or exist forever. --S. Clarke. 2. To exempt from oblivion; to perpetuate in fame. Alexander had no Homer to immortalize his quilty name. --T. Dawes.