Titus 1:16

They profess to know God; but in works deny him, being abominable and disobedient, and unto every good work reprobate.

1 John 2:4

He that saith, I know him, and keepeth not his commandments, is a liar, and in him the truth is not.

1 Timothy 5:8

But if any man provide not for his own relations, and especially for those more immediately of his own family, he hath denied the faith, and is worse than an infidel.

2 Timothy 3:5-8

holding the form of godliness, but denying the power of it: from these men turn with aversion.

Jude 1:4

For certain men have craftily introduced themselves, who were from of old proscribed for this condemnation, ungodly men, changing the grace of God into impurity, and denying our only sovereign God and Lord, Jesus Christ.

Revelation 21:8

But to those who shrink back through fear, and to the infidels, and to the abominable, and to murderers, and to whoremongers, and to those who use magical incantations, and to idolaters, and to all liars, is their portion [appointed] in the lake which burneth with fire and brimstone; which is the second death.

Romans 1:28

And since they thought not fit to hold the Deity in acknowledgment, God abandoned them to a reprobate mind, to practise deeds unbecoming;

Ephesians 5:6

Let no man deceive you with vain words: for because of these things, the wrath of God cometh on the children of disobedience.

Revelation 21:27

And there shall no more enter into it any thing unclean, or that practises abomination and lying; but only those who are written in the book of life of the Lamb.

1 Timothy 1:9

knowing this, that the law is not made for the just man, but for the lawless and disorderly, for the ungodly and for sinners, for the unholy and profane, for murderers of fathers and murderers of mothers, for men-slayers,

Romans 2:18-24

and knowest the will of God, and bringest to the test the things that are different, being instructed out of the law;

Treasury of Scripture Knowledge

Summary

They profess that they know God; but in works they deny him, being abominable, and disobedient, and unto every good work reprobate.

And disobedient

Bible References

Profess

Romans 2:18
and knowest the will of God, and bringest to the test the things that are different, being instructed out of the law;
2 Timothy 3:5
holding the form of godliness, but denying the power of it: from these men turn with aversion.
Jude 1:4
For certain men have craftily introduced themselves, who were from of old proscribed for this condemnation, ungodly men, changing the grace of God into impurity, and denying our only sovereign God and Lord, Jesus Christ.

Being

Revelation 21:8
But to those who shrink back through fear, and to the infidels, and to the abominable, and to murderers, and to whoremongers, and to those who use magical incantations, and to idolaters, and to all liars, is their portion [appointed] in the lake which burneth with fire and brimstone; which is the second death.

And disobedient

Ephesians 5:6
Let no man deceive you with vain words: for because of these things, the wrath of God cometh on the children of disobedience.
1 Timothy 1:9
knowing this, that the law is not made for the just man, but for the lawless and disorderly, for the ungodly and for sinners, for the unholy and profane, for murderers of fathers and murderers of mothers, for men-slayers,

Unto

Romans 1:28
And since they thought not fit to hold the Deity in acknowledgment, God abandoned them to a reprobate mind, to practise deeds unbecoming;
2 Timothy 3:8
But in the same manner as Jannes and Jambres opposed Moses, so do these also set themselves in opposition to the truth; men corrupt in mind, reprobate respecting the faith.