An outlook and lifestyle which does not acknowledge God. God frustrates the evil purposes of the godless and judges them. Believers are to guard against godlessness.
Godlessness is an outlook and lifestyle which does not acknowledge God
The book of Job was written against a background which made no allowance for the prosperity of the godless or the misery of the godly, so no attempt is made to reconcile these things with the justice of God (as it is, for instance, in Ps 73):