Denationalize \De*na"tion*al*ize\, v. t. [imp. & p. p. {Denationalized}; p. pr. & vb. n. {Denationalizing}.] [Cf. F. d['e]nationaliser.] To divest or deprive of national character or rights. Bonaparte's decree denationalizes, as he calls it, all ships that have touched at a British port. --Cobbett. An expatriated, denationalized race. --G. Eliot.