Titus 1:16

They profess to know God, but by their deeds they disown him; in that they are detestable, disobedient, and reprobate for good work of any sort.

1 John 2:4

He who says, "I know Him," but does no continue obeying his commandments, is a liar,

1 Timothy 5:8

But if any one fails to provide for his own, and especially for his kindred, he has denied the faith and is worse than an infidel.

2 Timothy 3:5-8

For although they keep up the outward form of religion, they deny its power.

Jude 1:4

For certain men have crept in stealthily??en predestined in ancient prophecies for this condemnation??mpious ones! They pervert the grace of our God into licentiousness, and deny Jesus Christ, our sole Master and Lord.

Revelation 21:8

But as for the cowards, the faithless, the abominable, And for the murderers, fornicators, sorcerers, Idolaters, and all liars, Their part will be in the lake that blazes with fire and brimstone. "This is the second death."

Romans 1:28

And just as they refused to continue to retain God in their knowledge, so did God cast them out to an outcast mind, to do those things which were indecent.

Ephesians 5:6

Let no man deceive you with empty arguments, for it is these vices that bring down the wrath of God upon the sons of disobedience;

Revelation 21:27

There will not enter it anything profane, Nor any who work abominations and a lie; But only those who are written In the Lamb's Book of Life.

1 Timothy 1:9

but he must remember that the Law is not enacted for a good man, but for the lawless and rebellious, for the irreligious and sinful, for the godless and profane, for parricides and murderers,

Romans 2:18-24

and know his will, and can test the things that differ; if you are 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 know his will, and can test the things that differ; if you are instructed out of the Law,
2 Timothy 3:5
For although they keep up the outward form of religion, they deny its power.
Jude 1:4
For certain men have crept in stealthily??en predestined in ancient prophecies for this condemnation??mpious ones! They pervert the grace of our God into licentiousness, and deny Jesus Christ, our sole Master and Lord.

Being

Revelation 21:8
But as for the cowards, the faithless, the abominable, And for the murderers, fornicators, sorcerers, Idolaters, and all liars, Their part will be in the lake that blazes with fire and brimstone. "This is the second death."

And disobedient

Ephesians 5:6
Let no man deceive you with empty arguments, for it is these vices that bring down the wrath of God upon the sons of disobedience;
1 Timothy 1:9
but he must remember that the Law is not enacted for a good man, but for the lawless and rebellious, for the irreligious and sinful, for the godless and profane, for parricides and murderers,

Unto

Romans 1:28
And just as they refused to continue to retain God in their knowledge, so did God cast them out to an outcast mind, to do those things which were indecent.
2 Timothy 3:8
As Jannes and Jambres withstood Moses, so also do these men withstand the truth; being corrupt in mind and worthless in all that concerns the faith.