Entry 1 sense Webster, 1913 Militate /mĭl'-ĭt-ātˌ/ · Mil·i·tate · IPA /ˈmɪlɪteɪt/ 01 v. i. To make war; to fight; to contend; -- usually followed by against and with. imp. & p. p. Militated; p. pr. & vb. n. Militating 1. To make war; to fight; to contend; -- usually followed by against and with. “These are great questions, where great names militate against each other.” — Burke. “The invisible powers of heaven seemed to militate on the side of the pious emperor.” — Gibbon.