воева́ть

fairly common #1639B2

verbimperfective perfective is повоева́ть

1.
to be at war, to wage war, to fight (in a war)military
Э́ти две страны́ воева́ли мно́го лет.
These two countries were at war for many years.
Imperfective; often with с + instrumental for the enemy.
2.
to fight (against), to battle (with), to quarrel
Студе́нты и пенсионе́ры вою́ют с анте́ннами со́товой свя́зи.
Students and pensioners are fighting against mobile phone antennas.
Figurative: to campaign against something or squabble with someone.

Examples

Фра́нция воева́ла с Россией.
France was at war with Russia.
Римляне долго воевали с Галлией.
The Romans waged war against Gaul for a long time.
Никто не хо́чет воева́ть.
No one wants to fight.
В древности Спарта воевала с Афинами.
In ancient times, Sparta waged war against Athens.
Том воева́л во Вьетна́ме.
Tom fought in Vietnam.
Они постоянно вою́ют.
They fight constantly.
Без огнеприпасов армия не может воевать.
An army cannot fight without ammunition.
Дед часто рассказывал, как воевал с фрицами.
Grandpa often used to tell us how he fought the Fritzes.
В средневековой Италии кондотьеры воевали за деньги.
In medieval Italy, condottieri fought for money.
Германцы воевали с римлянами много лет.
The Germanic peoples fought the Romans for many years.

Imperative
ты	вою́й
вы	вою́йте

Verb	Prefix	Meaning
воева́ть	-	to be at war; to fight (against)
завоева́ть	за-	to conquer; to win; to win through struggle
навоева́ться	на-	to have had enough of fighting
отвоева́ть	от-	to fight