war game noun 2verb 1forms 5 noun2 •A simulation (by whatever means, physical or digital), for training and strategy purposes, of a military operation involving two or more opposing forces using rules, data, and procedures designed to depict an actual or assumed real-life situation.In a sort of blooper reel, I will go over some of the things that occurred in a few of the wargames but we left out when collating the overall timeline. — 2018 •A game, for entertainment or edutainment purposes, that simulates or represents a military operation. verb1 •To run a military simulation of this kind.Together Britain, the United States and Ukraine conducted an assessment of the new plan, trying to war game it once more. — 2022 formswar gamed · war gaming · wargaming · war games · war-games