подгрыза́ть

verb, imperfective

Very rarely used word (top 60,000)

1.
to gnaw at, to nibble at
Example:
Мышь подгрызала провод.
The mouse was gnawing at the wire.
2.
to undermine, to erode
Example:
Сомнения подгрызали его уверенность.
Doubts were undermining his confidence.

Conjugation

Imperative
ты	подгрыза́й
вы	подгрыза́йте

Active present	подгрызающий	gnawing at, undermining
Active past	подгрызавший	gnawing, undermining, corroding, eating away at
Passive present	подгрызаемый	being gnawed (at), being undermined
Passive past
Gerund present	подгрызая	while doing (present)
Gerund past	подгрызав подгрызавши	while doing (past)