узна́ть

very common #235B1

verbperfective imperfective is знать

1.
to find out, to learn, to hear
Узна́йте по телефо́ну, когда́ начало спекта́кля.
Find out by phone when the performance starts.
Perfective; of coming to know a fact, often + о чём or a clause.
2.
to recognize
Я узна́л его по го́лосу.
I recognized him by his voice.
Often + по чему 'by (a feature)'.
3.
to get to know, to meet, to become acquainted with
В столи́це узна́л мно́го интере́сных люде́й.
In the capital I got to know a lot of interesting people.
Of people, places or customs, not of facts.

Examples

Хо́чешь узна́ть секре́т?
Do you want to know a secret?
Как ты узна́л?
How did you find out?
Могу́ я узна́ть ваш но́мер телефо́на, пожалуйста?
May I have your phone number, please?
Я сразу узна́л твой го́лос.
I recognized your voice right away.
Я ду́мала, ты захо́чешь узна́ть.
I thought you'd want to know.
Как э́то оказа́лось здесь, теперь невозможно узна́ть.
How it ended up here is impossible to know for sure.
Мы узна́ли но́вость.
We got the news.
Мы мо́жем никогда не узна́ть.
We may never know.

Imperative
ты	узна́й
вы	узна́йте

Active present	-
Active past	узна́вший	having recognized, having found out, having learned
Passive present	-
Passive past	у́знанный	recognized, identified
Gerund present	-
Gerund past	узна́в узнавши	while doing (past)

LockedUnlock typical usages

знатьto know; to know (a person); to know (a subject); to seem (apparently, evidently)
verbimperfective
знатьnobility
nounfeminine
вы́знатьto fully know
verbperfective
зна́тьсяto associate
verbimperfective
позна́тьto get to know; to experience
verbperfective