боле́ть

fairly common #1434A2

verbimperfective

1.
to be ill, to be sick, to suffer from (an illness)
Зимо́й он ча́сто боле́ет гри́ппом.
In winter he often comes down with the flu.
The illness is in the instrumental: болеть гриппом 'to have the flu'.
2.
to hurt, to ache, to be painful
Что у вас боли́т?
Where does it hurt?
Used with a body part as subject; usually 3rd person (болит, болят).
3.
to cheer on, to support (a team), to root forsports
Я боле́ю за э́ту кома́нду.
I'm a fan of this team.
With за + accusative: болеть за кого?

Examples

Ты боле́л.
You were sick.
«Болит спина́?» — «Да нет, не особо». — «Ну, э́то уже неплохо, нет?»
Does your back hurt? "No, not really." "Oh, that's something then, isn't it?"
Я боле́л ветря́нкой в де́тстве.
I had chicken pox as a kid.
Очень болит?
Does it hurt a lot?
Ты боле́ла.
You were sick.
Вы ещё боле́ете?
Are you still sick?
Спина́ болит.
My back hurts.
Болит?
Does it hurt?

Imperative
ты	боле́й
вы	боле́йте

Active present	боле́ющий	sick, ill, ailing
Active past	боле́вший	sick, ill, who was sick, having been sick
Passive present	-
Passive past	-
Gerund present	боле́я боля́	while doing (present)
Gerund past	болев болевши	while doing (past)

Verb	Prefix	Meaning
боле́ть	-	to be ill; to hurt; to cheer on
вы́болеть	вы-	to be worn out with suffering
заболе́ть	за-	to fall ill; to start to hurt; to become obsessed with
изболе́ться	из-	to be in torment