Romans 1:28

And as they were not careful to retain God in their knowledge, God gave them up to an undiscerning mind, to do things not expedient, Filled with all injustice, maliciousness, covetousness, wickedness:

Romans 1:24

Wherefore God also gave them up to uncleanness in the desires of their hearts, to dishonour their bodies among themselves;

Ephesians 5:4

Neither obscenity, nor foolish talking, or jesting, which are not convenient, but rather thanksgiving.

Acts 17:23

For as I passed along and beheld the objects of your worship, I found an altar, on which was inscribed, TO THE UNKNOWN GOD: him therefore whom ye worship without knowing him, I proclaim unto you.

Acts 17:32

And when they heard of the resurrection from the dead, some mocked: but others said, We will hear thee again concerning this.

Romans 1:18

For the wrath of God is revealed from heaven, against all ungodliness and unrighteousness of men, who detain the truth in unrighteousness.

Romans 1:21

Because knowing God, they did not glorify him as God, neither were thankful, but became vain in their reasonings, and their foolish heart was darkened.

Romans 1:26

Amen. Therefore God gave them up to vile affections; for even their women changed the natural use to that which is against nature: And likewise also the men,

Romans 8:7-8

Because the carnal mind is enmity against God; for it is not subject to the law of God, neither indeed can be.

1 Corinthians 15:34

Awake to righteousness, and sin not; for some have not the knowledge of God. I speak this to your shame.

2 Corinthians 4:4-6

Whose unbelieving minds the god of this world hath blinded, lest the illumination of the glorious gospel of Christ, who is the image of God, should shine upon them.

2 Corinthians 10:5

Destroying reasonings, and every high thing which exalteth itself against the knowledge of God, and bringing every thought into captivity to the obedience of Christ,

2 Corinthians 13:5-7

Examine yourselves, whether ye are in the faith: prove yourselves. Do ye not know yourselves? That Jesus Christ is in you? unless ye are reprobates.

2 Thessalonians 1:8

In flaming fire, taking vengeance on them who know not God, and who obey not the gospel of our Lord Jesus Christ.

2 Thessalonians 2:10-12

And with all deceiveableness of unrighteousness in them that perish, because they received not the love of the truth, that they might be saved.

2 Timothy 3:8

Now as Jannes and Jambres withstood Moses, so do these also withstand the truth: men of corrupt minds, void of judgment as to the faith.

Titus 1:16

They profess to know God, but by their works they deny him, being abominable and disobedient, and void of judgment as to every good work.

2 Peter 3:5

For this they are willingly ignorant of, that by the word of God of old the heavens were and the earth, standing out of the water and in the water,

Treasury of Scripture Knowledge

Summary

And even as they did not like to retain God in their knowledge, God gave them over to a reprobate mind, to do those things which are not convenient;

Not convenient

General references

Bible References

As they did

Romans 1:18
For the wrath of God is revealed from heaven, against all ungodliness and unrighteousness of men, who detain the truth in unrighteousness.
Acts 17:23
For as I passed along and beheld the objects of your worship, I found an altar, on which was inscribed, TO THE UNKNOWN GOD: him therefore whom ye worship without knowing him, I proclaim unto you.
Romans 8:7
Because the carnal mind is enmity against God; for it is not subject to the law of God, neither indeed can be.
1 Corinthians 15:34
Awake to righteousness, and sin not; for some have not the knowledge of God. I speak this to your shame.
2 Corinthians 4:4
Whose unbelieving minds the god of this world hath blinded, lest the illumination of the glorious gospel of Christ, who is the image of God, should shine upon them.
2 Corinthians 10:5
Destroying reasonings, and every high thing which exalteth itself against the knowledge of God, and bringing every thought into captivity to the obedience of Christ,
2 Thessalonians 1:8
In flaming fire, taking vengeance on them who know not God, and who obey not the gospel of our Lord Jesus Christ.
2 Thessalonians 2:10
And with all deceiveableness of unrighteousness in them that perish, because they received not the love of the truth, that they might be saved.
2 Peter 3:5
For this they are willingly ignorant of, that by the word of God of old the heavens were and the earth, standing out of the water and in the water,

Retain

2 Corinthians 13:5
Examine yourselves, whether ye are in the faith: prove yourselves. Do ye not know yourselves? That Jesus Christ is in you? unless ye are reprobates.
2 Timothy 3:8
Now as Jannes and Jambres withstood Moses, so do these also withstand the truth: men of corrupt minds, void of judgment as to the faith.
Titus 1:16
They profess to know God, but by their works they deny him, being abominable and disobedient, and void of judgment as to every good work.

Not convenient

Ephesians 5:4
Neither obscenity, nor foolish talking, or jesting, which are not convenient, but rather thanksgiving.
Philemon 1:8
Wherefore, though I might be much bold in Christ, to enjoin thee what is convenient,

General references

Matthew 24:39
And knew not, till the flood came and took them all away, so shall also the coming of the Son of man be.
John 1:5
And the light shineth in darkness, but the darkness perceived it not.