'Lawless' in the Bible

and if He rescued righteous Lot, who was tormented by the immoral conduct of unprincipled and ungodly men

Therefore, [let me warn you] beloved, knowing these things beforehand, be on your guard so that you are not carried away by the error of unprincipled men [who distort doctrine] and fall from your own steadfastness [of mind, knowledge, truth, and faith],