Titus 1:16

They profess to know God; but in their actions they disown Him, and are detestable and disobedient men, and for any good work are utterly useless.

1 John 2:4

He who professes to know Him, and yet does not obey His commands, is a liar, and the truth has no place in his heart.

1 Timothy 5:8

But if a man makes no provision for those dependent on him, and especially for his own family, he has disowned the faith and is behaving worse than an unbeliever.

2 Timothy 3:5-8

and will keep up a make-believe of piety and yet live in defiance of its power. Turn away from people of this sort.

Jude 1:4

For certain persons have crept in unnoticed--men spoken of in ancient writings as pre-destined to this condemnation--ungodly men, who pervert the grace of our God into an excuse for immorality, and disown Jesus Christ, our only Sovereign and Lord.

Revelation 21:8

But as for cowards and the unfaithful, and the polluted, and murderers, fornicators, and those who practise magic or worship idols, and all liars--the portion allotted to them shall be in the Lake which burns with fire and sulphur. This is the Second Death."

Romans 1:28

And just as they had refused to continue to have a full knowledge of God, so it was to utterly worthless minds that God gave them up, for them to do things which should not be done.

Ephesians 5:6

Let no one deceive you with empty words, for it is on account of these very sins that God's anger is coming upon the disobedient.

Revelation 21:27

And no unclean thing shall ever enter it, nor any one who is guilty of base conduct or tells lies, but only they whose names stand recorded in the Lamb's Book of Life.

1 Timothy 1:9

and remembers that a law is not enacted to control a righteous man, but for the lawless and rebellious, the irreligious and sinful, the godless and profane--for those who strike their fathers or their mothers, for murderers,

Romans 2:18-24

and know the supreme will, and can test things that differ--being a man who receives instruction from 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 the supreme will, and can test things that differ--being a man who receives instruction from the Law--
2 Timothy 3:5
and will keep up a make-believe of piety and yet live in defiance of its power. Turn away from people of this sort.
Jude 1:4
For certain persons have crept in unnoticed--men spoken of in ancient writings as pre-destined to this condemnation--ungodly men, who pervert the grace of our God into an excuse for immorality, and disown Jesus Christ, our only Sovereign and Lord.

Being

Revelation 21:8
But as for cowards and the unfaithful, and the polluted, and murderers, fornicators, and those who practise magic or worship idols, and all liars--the portion allotted to them shall be in the Lake which burns with fire and sulphur. This is the Second Death."

And disobedient

Ephesians 5:6
Let no one deceive you with empty words, for it is on account of these very sins that God's anger is coming upon the disobedient.
1 Timothy 1:9
and remembers that a law is not enacted to control a righteous man, but for the lawless and rebellious, the irreligious and sinful, the godless and profane--for those who strike their fathers or their mothers, for murderers,

Unto

Romans 1:28
And just as they had refused to continue to have a full knowledge of God, so it was to utterly worthless minds that God gave them up, for them to do things which should not be done.
2 Timothy 3:8
And just as Jannes and Jambres withstood Moses, so also these false teachers withstand the truth--being, as they are, men of debased intellects, and of no real worth so far as faith is concerned.