This is the 8633rd most frequent French word.
arrête
"Arrête" means "stop" (imperative form).
In this sentence, 'arrête' is an imperative verb form used to command someone to stop performing an action.
Arrête de parler si fort.
Stop talking so loudly.
Here, 'arrête' is part of the subjunctive mood and asks for cessation of the music.
Il demande qu'on arrête cette musique.
He asks that this music be stopped.
In this example, 's'arrête' is a reflexive verb, indicating that the clock itself ceases functioning.