Romans 7:3

So, then, if, while the husband is living, she is married to another man, she shall be called an adulteress; but, if the husband dies, 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 to you, that every one who puts away his wife, except on account of fornication, makes her commit adultery: and whosoever marries her when put away commits adultery.

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 to Him a woman taken in adultery; and, having placed her in the midst,

1 Timothy 5:11-14

But younger widows refuse; for, when they grow wanton 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

Matthew 5:32
but I say to you, that every one who puts away his wife, except on account of fornication, makes her commit adultery: and whosoever marries her when put away commits 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 to Him a woman taken in adultery; and, having placed her in the midst,

Though

1 Timothy 5:11
But younger widows refuse; for, when they grow wanton against Christ, they wish to marry,

General references

Mark 10:9
What, therefore, God joined together, let not man put asunder."