IPA: /mɪˈlɪtərɪli/
KK: /mɪˈlɪtərɪli/
In a way that relates to the armed forces or military actions.
The country responded militarily to the threat from its neighbor.
Militarily → It is formed from "militari" (from Latin, meaning pertaining to soldiers or war) and the suffix "-ly" (meaning in a manner of). The word "militarily" means in a manner related to soldiers or military operations.
Think of the Latin root 'militari' which relates to soldiers, and remember that 'militarily' describes actions done in a soldier-like or military manner.