Titus 1:16
They profess to know God, but by works deny him, being abominable and disobedient, and as to every good work reprobate.
1 John 2:4
He that says, I have known him, and keeps not his commandments, is a liar, and the truth is not in him;
1 Timothy 5:8
And if any one provides not for his own, and especially for those of his own house, he has denied the faith, and is worse than an unbeliever.
2 Timothy 3:5-8
having a form of piety but denying its power; and these avoid.
Jude 1:4
For some men have come in by deception, who were of old appointed to this judgment, impious, changing the grace of our God into lewdness, and denying our only master and Lord, Jesus Christ.
Revelation 21:8
But the fearful and unbelieving and abominable and murderers and fornicators and sorcerers and idolaters and all liars shall have their part in the lake which burns with fire and sulphur, which is the second death.
Romans 1:28
And as they did not choose to retain God in their knowledge, God gave them up to a reprobate mind, to do things which are not proper,
Ephesians 5:6
Let no man deceive you with vain words; for on account of these comes the wrath of God on the children of disobedience.
Revelation 21:27
And there shall not enter into it any thing that is defiled, nor any one that commits an abomination and falsehood, but those enrolled in the Lamb's book of life.
1 Timothy 1:9
knowing this, that a law is not made for a righteous man, but for the wicked and disorderly, the impious and sinful, the unholy and profane, murderers of fathers and murderers of mothers and murderers of their fellow-men,
Romans 2:18-24
and know his will, and approve of things which are excellent, being instructed by the law,