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 узна́л э́то, когда был в де́тском са́ду.
I learned that when I was in kindergarten.
Постарайтесь узна́ть точно, как э́то бы́ло.
Try to get the story straight.
Как ты мог узна́ть про э́то?
How could you know that?
Хо́чешь узна́ть секре́т?
Do you want to know a secret?
Я узна́л пра́вду из письма.
I learned the truth from the letter.
Мы никогда не узна́ли я́сного объясне́ния э́той зага́дки.
We never got a clear explanation of the mystery.
Ты узна́л своего́ бы́вшего однокла́ссника?
Did you recognize your old classmate?
Вскоре мы узна́ли пра́вду.
It was not long before we knew the truth.

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