A war fought between factions of the inhabitants of a single country, or a similar political entity.

Any narrative of an event, involving either military or civilian characters, in wartime. / (by extension) A description of a serious or difficult experience or ordeal.

(Internet) An argument consisting entirely or largely of flames by various parties that serve only to escalate the dispute.

opposed to war, or to a specific war

A war that is entirely, primarily, or ostensibly religious in motivation; a war over religion.

A person guilty of one or more war crimes.

A conflict in which actual fighting takes place between the belligerent parties.

To run a military simulation of this kind.

(military) A simulation, by whatever means, 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.

Epithet for World War I.