'Ignorant' in the Bible

And I would not have you ignorant, brethren, that oftentimes I purposed to come unto you (and was hindered hitherto), that I might have some fruit in you also, even as in the rest of the Gentiles.

Or are ye ignorant that all we who were baptized into Christ Jesus were baptized into his death?

Or are ye ignorant, brethren (for I speak to men who know the law), that the law hath dominion over a man for so long time as he liveth?

For being ignorant of God's righteousness, and seeking to establish their own, they did not subject themselves to the righteousness of God.

For I would not, brethren, have you ignorant of this mystery, lest ye be wise in your own conceits, that a hardening in part hath befallen Israel, until the fulness of the Gentiles be come in;