узна́ть

very common #185B1

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

Я бы действительно хоте́л узна́ть побольше о твое́й стране́.
I would really like to learn more about your country.
Я хочу́ узна́ть.
I want to know.
Когда я захочу́ узна́ть твоё мне́ние, обязательно спрошу́.
When I want your opinion, I'll ask for it.
Как ты узна́л э́ту но́вость?
How did you hear the news?
Как ты узна́л?
How did you find out?
Я узна́л свои́х друзе́й.
I recognized my friends.
Можно узна́ть почему?
Can I ask why?
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