This is the 14685th most frequent Russian word.
перестать
To stop or cease.
The verb 'перестать' is used here in the sense of ceasing or stopping an action, indicating a decision to discontinue a specific habit.
Я решил перестать есть сладкое.
I decided to stop eating sweets.
Here, 'перестать' is used in a figurative sense to describe the cessation of an event or natural occurrence.
Когда же дождь перестанет?
When will the rain stop?
In this sentence, 'перестать' conveys the idea of quitting or halting a disruptive behavior upon request.