'Virgin' in the Bible

"Behold, the virgin {will become pregnant} and will give birth to a son, and they will call his name Emmanuel," which is translated, "God with us."

to a virgin legally promised in marriage to a man {named} Joseph of the house of David. And the name of the virgin [was] Mary.

({Now this man had} four virgin daughters who prophesied.)

But if you marry, you have not sinned, and if the virgin marries, she has not sinned. But such people will have affliction in the flesh, and I would spare you.

and he is divided. And the unmarried woman or the virgin cares for the things of the Lord, in order that she may be holy both in body and in spirit. But the married woman cares for the things of the world, how she may please her husband.

But if anyone thinks he is behaving dishonorably concerning his virgin, if she is past her prime and it ought to be thus, let him do what he wishes. He does not sin. Let them marry.

But he who stands firm in his heart, not having necessity, but has authority concerning his own will, and has decided this in his own heart, to keep his own virgin, he will do well.

So then, the one who marries his own virgin does well, and the one who does not marry [her] will do better.

For I am jealous [for] you with a godly jealousy, because I promised you [in marriage] to one husband, to present [you] [as] a pure virgin to Christ.