Romans 7:3

So then if, while the husband liveth, she be joined to another man, she shall be called an adulteress: but if the husband die, she is free from the law, so that she is no adulteress, though she be joined to another man.

Matthew 5:32

but I say unto you, that every one that putteth away his wife, saving for the cause of fornication, maketh her an adulteress: and whosoever shall marry her when she is put away committeth adultery.

Exodus 20:14

Thou shalt not commit adultery.

Leviticus 20:10

And the man that committeth adultery with another man's wife, even he that committeth adultery with his neighbor's wife, the adulterer and the adulteress shall surely be put to death.

Numbers 5:13-31

and a man lie with her carnally, and it be hid from the eyes of her husband, and be kept close, and she be defiled, and there be no witness against her, and she be not taken in the act;

Deuteronomy 22:22-24

If a man be found lying with a woman married to a husband, then they shall both of them die, the man that lay with the woman, and the woman: so shalt thou put away the evil from Israel.

Ruth 2:13

Then she said, Let me find favor in thy sight, my lord, for that thou hast comforted me, and for that thou hast spoken kindly unto thy handmaid, though I be not as one of thy handmaidens.

1 Samuel 25:39-42

And when David heard that Nabal was dead, he said, Blessed be Jehovah, that hath pleaded the cause of my reproach from the hand of Nabal, and hath kept back his servant from evil: and the evil-doing of Nabal hath Jehovah returned upon his own head. And David sent and spake concerning Abigail, to take her to him to wife.

Mark 10:6-12

But from the beginning of the creation, Male and female made he them.

John 8:3-5

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

1 Timothy 5:11-14

But younger widows refuse: for when they have waxed wanton against Christ, they desire 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 the man that committeth adultery with another man's wife, even he that committeth adultery with his neighbor's wife, the adulterer and the adulteress shall surely be put to death.
Numbers 5:13
and a man lie with her carnally, and it be hid from the eyes of her husband, and be kept close, and she be defiled, and there be no witness against her, and she be not taken in the act;
Deuteronomy 22:22
If a man be found lying with a woman married to a husband, then they shall both of them die, the man that lay with the woman, and the woman: so shalt thou put away the evil from Israel.
Matthew 5:32
but I say unto you, that every one that putteth away his wife, saving for the cause of fornication, maketh her an adulteress: and whosoever shall marry her when she is put away committeth adultery.
Mark 10:6
But from the beginning of the creation, Male and female made he them.
John 8:3
And the scribes and the Pharisees bring a woman taken in adultery; and having set her in the midst,

Though

Ruth 2:13
Then she said, Let me find favor in thy sight, my lord, for that thou hast comforted me, and for that thou hast spoken kindly unto thy handmaid, though I be not as one of thy handmaidens.
1 Samuel 25:39
And when David heard that Nabal was dead, he said, Blessed be Jehovah, that hath pleaded the cause of my reproach from the hand of Nabal, and hath kept back his servant from evil: and the evil-doing of Nabal hath Jehovah returned upon his own head. And David sent and spake concerning Abigail, to take her to him to wife.
1 Timothy 5:11
But younger widows refuse: for when they have waxed wanton against Christ, they desire to marry;

General references

Exodus 20:14
Thou shalt not commit adultery.
Mark 10:9
What therefore God hath joined together, let not man put asunder.

American Standard Version Public Domain