intransitive. To make or carry on war; to fight. Now only literary. with const. against, on, †toward, upon, with.

In various phrases. (For declare, levy, wage war, see the verbs.) to make war: to carry on hostilities. literal and figurative. Const. on, upon, with…

intransitive. To make war. Const. on, upon, against; also to warray forth. = war, v.1 2.

intransitive. To fight, to engage in war. (Now rare in literal sense, in which fight is usual.)

intransitive. To wage war, make a warlike expedition.

In obvious phrases: †to fang,†take (the) fight, to give fight, to make (a) fight.

In obvious phrases, as to have, keep, make, smite, strike, battle (all obsolete); to†bid, offer, refuse, accept, take (arch.) battle; to join battle…

intransitive. To wage war; to take part in war; to serve in the field. Also figurative.

intransitive. Military. To conduct a military or naval action. Cf. operation, n. 10.