John Gills Exposition of the Bible Commentary - Genesis 6:11
The earth also was corrupt before God ,.... That is, the inhabitants of the earth were corrupt in their lives and conversations; they were corrupt both in principle and practice, and did abominable things; and those corruptions were, according to Jarchi, uncleanness and idolatry; they were corrupt in the worship of God, worshipping the creature more, or besides the Creator; and they were corrupt in their manners and behaviour to one another, being guilty of fornication and adultery, and... read more
Matthew Henry's Complete Commentary - Genesis 6:11-12
The wickedness of that generation is here again spoken of, either as a foil to Noah's piety?he was just and perfect, when all the earth was corrupt; or as a further justification of God's resolution to destroy the world, which he was now about to communicate to his servant Noah. 1. All kinds of sin was found among them, for it is said (Gen. 6:11) that the earth was, (1.) Corrupt before God, that is, in the matters of God's worship; either they had other gods before him, or they worshipped him... read more