Romans 7:3

So then, if she gives herself to another man while her husband is living, she will be called an adulteress. But if her husband dies, she is free from that law. Then, if she gives herself to another man, she is not an adulteress.

Matthew 5:32

But I tell you, everyone who divorces his wife, except in a case of sexual immorality, causes her to commit adultery. And whoever marries a divorced woman commits adultery.

Exodus 20:14

Do not commit adultery.

Leviticus 20:10

If a man commits adultery with a married woman—if he commits adultery with his neighbor’s wife—both the adulterer and the adulteress must be put to death.

Numbers 5:13-31

and sleeps with another, but it is concealed from her husband, and she is undetected, even though she has defiled herself, since there is no witness against her, and she wasn’t caught in the act;

Deuteronomy 22:22-24

“If a man is discovered having sexual relations with another man’s wife, both the man who had sex with the woman and the woman must die. You must purge the evil from Israel.

Ruth 2:13

“My lord,” she said, “you have been so kind to me, for you have comforted and encouraged your slave, although I am not like one of your female servants.”

1 Samuel 25:39-42

When David heard that Nabal was dead, he said, “Praise the Lord who championed my cause against Nabal’s insults and restrained His servant from doing evil. The Lord brought Nabal’s evil deeds back on his own head.”

Then David sent messengers to speak to Abigail about marrying him.

Mark 10:6-12

But from the beginning of creation God made them male and female.

John 8:3-5

Then the scribes and the Pharisees brought a woman caught in adultery, making her stand in the center.

1 Timothy 5:11-14

But refuse to enroll younger widows, for when they are drawn away from Christ by desire, they want to marry

Treasury of Scripture Knowledge

Summary

So then if, while her husband liveth, she be married to another man, she shall be called an adulteress: but if her husband be dead, she is free from that law; so that she is no adulteress, though she be married to another man.

General references

Bible References

So then

Exodus 20:14
Do not commit adultery.
Leviticus 20:10
If a man commits adultery with a married woman—if he commits adultery with his neighbor’s wife—both the adulterer and the adulteress must be put to death.
Numbers 5:13
and sleeps with another, but it is concealed from her husband, and she is undetected, even though she has defiled herself, since there is no witness against her, and she wasn’t caught in the act;
Deuteronomy 22:22
“If a man is discovered having sexual relations with another man’s wife, both the man who had sex with the woman and the woman must die. You must purge the evil from Israel.
Matthew 5:32
But I tell you, everyone who divorces his wife, except in a case of sexual immorality, causes her to commit adultery. And whoever marries a divorced woman commits adultery.
Mark 10:6
But from the beginning of creation God made them male and female.
John 8:3
Then the scribes and the Pharisees brought a woman caught in adultery, making her stand in the center.

Though

Ruth 2:13
“My lord,” she said, “you have been so kind to me, for you have comforted and encouraged your slave, although I am not like one of your female servants.”
1 Samuel 25:39
When David heard that Nabal was dead, he said, “Praise the Lord who championed my cause against Nabal’s insults and restrained His servant from doing evil. The Lord brought Nabal’s evil deeds back on his own head.”

Then David sent messengers to speak to Abigail about marrying him.
1 Timothy 5:11
But refuse to enroll younger widows, for when they are drawn away from Christ by desire, they want to marry

General references

Exodus 20:14
Do not commit adultery.
Mark 10:9
Therefore what God has joined together, man must not separate.”

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.