And those who turn away from vain talk.
And they avoid vain talk.
who turn away from idle talk
And who shun what is vain
And those who from the nonsense/senseless talk, they are objecting/turning away
The believers are those who avoid worthless talk
And who do not incline towards indecent matters
And who shun all that which is vain
And who (always) keep away from absurd talk
And who keep aloof from all that is vain and idle
And those who turn away from Al-Laghw (dirty, false, evil vain talk, falsehood, and all that Allah has forbidden)