Romans 7:3

Wherefore, the husband living, she shall be called adulteress if she be to another man: but if the man die, she is free from the law; not to be an adulteress, being to another man.

Matthew 5:32

But I say to you, That whosoever shall let go his wife except for the reason of adultery, makes her to commit adultery; and whosoever should marry her having been loosed, commits adultery.

Exodus 20:14

Thou shalt not commit adultery.

Leviticus 20:10

And a man who shall commit adultery with a man's wife, who shall commit adultery with his friend's wife, dying, he shall die, the adulterer and the adulteress.

Numbers 5:13-31

And a man lay with her with emission of seed, and it was hid from the eyes of her husband, and it was covered, and she was defiled, and no witness against her, and she was not taken hold of.

Deuteronomy 22:22-24

When a man shall be found lying with the woman mistress of a husband, and they died, also they two, the man lying with the woman, and the woman: and thou didst put away evil from Israel.

Ruth 2:13

And she will say, Shall I find favor in thine eyes, my lord? For thou didst comfort me, and that thou spakest to the heart of thy servant, and shall I not be as one of thy servants?

1 Samuel 25:39-42

And David will hear that Nabal died, and he will say, Blessed Jehovah who plead the cause of my reproach from the hand of Nabal, and held back his servant from evil: and the evil of Nabal Jehovah turned back upon his head. And David will send and will speak with Abigail to take her to him for wife.

Mark 10:6-12

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

John 8:3-5

And the scribes and Pharisees brought him a woman taken in adultery; and having set her in the midst,

1 Timothy 5:11-14

And the younger widows reject: for when they conduct themselves arrogantly against Christ, they wish 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
Thou shalt not commit adultery.
Leviticus 20:10
And a man who shall commit adultery with a man's wife, who shall commit adultery with his friend's wife, dying, he shall die, the adulterer and the adulteress.
Numbers 5:13
And a man lay with her with emission of seed, and it was hid from the eyes of her husband, and it was covered, and she was defiled, and no witness against her, and she was not taken hold of.
Deuteronomy 22:22
When a man shall be found lying with the woman mistress of a husband, and they died, also they two, the man lying with the woman, and the woman: and thou didst put away evil from Israel.
Matthew 5:32
But I say to you, That whosoever shall let go his wife except for the reason of adultery, makes her to commit adultery; and whosoever should marry her having been loosed, commits adultery.
Mark 10:6
And from the beginning of creation God made them male and female.
John 8:3
And the scribes and Pharisees brought him a woman taken in adultery; and having set her in the midst,

Though

Ruth 2:13
And she will say, Shall I find favor in thine eyes, my lord? For thou didst comfort me, and that thou spakest to the heart of thy servant, and shall I not be as one of thy servants?
1 Samuel 25:39
And David will hear that Nabal died, and he will say, Blessed Jehovah who plead the cause of my reproach from the hand of Nabal, and held back his servant from evil: and the evil of Nabal Jehovah turned back upon his head. And David will send and will speak with Abigail to take her to him for wife.
1 Timothy 5:11
And the younger widows reject: for when they conduct themselves arrogantly against Christ, they wish to marry:

General references

Exodus 20:14
Thou shalt not commit adultery.
Mark 10:9
What therefore God yoked together, let not man separate.