re·al·po·li·tik (rā-äl'pō'lĭ-tēk') n. A usually expansionist national policy having as its sole principle advancement of the national interest.
[German : real, practical (from Late Latin reālis, real; see real1) + Politik, politics (from French politique, political, policy; see politic).] re·al'po'li·tik'er n.