foreign terrorist organization fo·reign·ter·roristorganization uncommon noun 1. a political movement that uses terror as a weapon to achieve its goals Synonymsterrorist organizationterrorist groupforeign terrorist organizationFTO Related words Broader terms political movement Narrower terms Abu SayyafAksa Martyrs BrigadesAlex Boncayao Brigadeal-Fatahal-Gama'a al-Islamiyyaal Itihaad al Islamiyaal-Jihadal-Ma'unah WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.