дева́ть

verbimperfective (partner деть)rare

1.
to put, to stick, to mislay
Куда́ я дева́л свои́ очки?
Where did I put my glasses?
Mostly in questions with «куда» about where something was put; imperfective of «деть».
2.
to place, to find room for, to do with
Куда́ дева́ть детей на ле́то?
Where can we place the children for the summer?
Often «куда девать» — what to do with something one has too much of.
3.
to spend, to use up
Куда́ он дева́ет деньги, неизве́стно.
Nobody knows what he spends his money on.
Colloquial; usually of money.

Examples

Ну, мне пора. Вы не ви́дели, куда я дева́л мои́ ве́щи?
I have to go now. Did you see where I put my things?
Куда ты девал мои ключи?
Where did you put my keys?
Не знаю, куда девать эти старые книги.
I don't know what to do with these old books.
Хозяин, наплодивший столько кроликов, не знал, куда их девать.
The owner, having bred so many rabbits, didn’t know what to do with them.

Imperative
ты	дева́й
вы	дева́йте

Active present	дева́ющий	putting away, placing, hiding
Active past	дева́вший	who put, who placed
Passive present	дева́емый	being put away, being disposed of, being placed
Passive past	деванный	sofa, couch, pertaining to a sofa
Gerund present	дева́я	while doing (present)
Gerund past	девав девавши	while doing (past)