кой
- 1.
any, no
Ни в ко́ем слу́чае не открыва́й дверь.
On no account open the door.
Almost only in the set phrase «ни в коем случае» 'on no account'.
- 2.
what for
На кой мне лосьо́н?
What do I need a lotion for?
Only in colloquial «на кой?», «на кой чёрт?» 'what the hell for?'.
- 3.
(rare) which, that
Дом, в ко́ем он жил, давно́ снесли́.
The house in which he lived was pulled down long ago.
Archaic and bookish; modern Russian uses «который».
Examples
Declension
| mmasculine | ffeminine | nneuter | plplural | |
|---|---|---|---|---|
| Nom.Nominative | ко́й | ко́я | ко́е | ко́и |
| Gen.Genitive | ко́его | ко́ей | ко́его | ко́их |
| Dat.Dative | ко́ему | ко́ей | ко́ему | ко́им |
| Acc.Accusative | ко́й ко́его | ко́ю | ко́е | ко́и ко́их |
| Inst.Instrumental | ко́им | ко́ей ко́ею | ко́им | ко́ими |
| Prep.Prepositional | ко́ем | ко́ей | ко́ем | ко́их |
Comparatives
-Short forms
-Typical usagePRO
Indefinites with кой-
ко́й-кто
someone; some people
ко́й-кого́
one or two people (as object); a few folks
ко́й-како́й
some; not very good
ко́й-каки́е
some (plural); a few (not great)
Idioms and set phrases
в кои́-то ве́ки
for once; at long last
за кои́ грехи́?
What did I do to deserve this?
Fixed expressions
- ни в ко́ем слу́чаеin no case
Word familyкойPRO
- койany; what for; which
- ко́йкаbunk; hospital bed
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Contributions
Iron edited translation 5 days ago.
Iron edited translation 5 days ago.
Lisa edited comparative forms and related words 10 months ago.
Lisa edited comparative forms and related words 10 months ago.



















