militarily UK /ˈmɪl.ɪ.t(ə.)ɹə.li/US /ˌmɪl.ɪˈtɛɹ.ə.li/ adverb3 •In a military or martial manner; not peaceably. •By way of military or otherwise belligerent means.The borders of the empire were expanded militarily over the course of many wars of conquest. •In a manner relating to the military or military matters.Whether [Israel's] blockade [of Gaza] is militarily justified is a point of contention. — 2025 formsmore militarily · most militarily