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The New Testament On Sexual Sin
8 January 2014
As I discussed in my last article, not all sins are created equal. All sin is destructive to humans, but some sins are more devastating than others. Because sexual sin is among the most destructive and dangerous of all, the New Testament uses 14 different Greek words a total of 111 times in order to address this critical issue!

All throughout the Old Testament, and especially in the prophetic books, the language of physical sexual sin is used in a metaphorical way to describe the spiritual sin of idolatry — see Ezekiel 16 as just one example among many. This sexual symbolism is carried over into the writings of the New Testament, particularly in the prophetic book of Revelation.

But for the most part, probably close to a hundred times, when the New Testament is using one of these 14 Greeks words, it is referring to literal, physical sexual sin. So let's spend a few moments to take a closer look at these Greeks words and what they mean. You can click on any of the Greek transliterations to find out more about that word as well as see every verse in the New Testament where that word occurs.
Ref.# Greek
GK# Definition Freq.
First let's look at a group of related Greek words which mean "sexual immorality" in general. It's obvious that these are the roots of our modern word pornography.
1 porneia 4518 a generic term for sexual sin of any kind: sexual immorality, fornication, marital unfaithfulness, prostitution, adultery, incest; idolatry 25x
2 porneuō 4519 to commit sexual immorality of any kind, adultery, to commit fornication; practice idolatry 8x
3 pornē 4520 a prostitute, a woman who practices sexual immorality for payment, unchaste female; idolatress 12x
4 pornos 4521 a catamite, a fornicator, sexually immoral 10x
Now let's look at a group of related Greek words which identify a specific type of sexual immorality: adultery.
5 moichalis 3655 an adulteress; adulterous 7x
6 moichaō 3656 to commit adultery 4x
7 moicheia 3657 the state or condition of adultery 3x
8 moicheuō 3658 to commit adultery; to become an adulterer 15x
9 moichos 3659 an adulterer 3x
Lastly there are some unrelated Greek words, a few of which describe general sexual immorality, and two which identify a specific type of sexual immorality: homosexuality.
10 akatharsia 174 impurity, moral filthiness, especially in relation to sexual sin 10x
11 aselgeia 816 debauchery, sensuality, lewdness, licentiousness, lasciviousness 10x
12 koitē 3130 a bed, hence, sexual intercourse; sexual immorality 1x*
13 arsenokoitēs 780 arsen = male; koitē = bed, sexual intercourse; therefore, this compound word refers to one engaging in homosexual acts (likely the active male partner), sexual deviant, a sodomite, a pederast 2x
14 malakos 3434 fine, soft; effeminate, male prostitute, a male homosexual who is the passive sex partner 1x*
These two words have a number of meanings, depending on the context. In both cases, although the words are used multiple times in the New Testament, each one is used only once in the sense of sexual sin.
There are good reasons why God spent so much time and energy in the Bible warning us about sexual immorality. The Apostle Paul wrote:
Flee from sexual immorality. All other sins a person commits are outside the body, but whoever sins sexually, sins against their own body. (1 Corinthians 6:18)
Not only is a person sinning against God and themself, but they are also sinning against the one they are engaging in sexual immorality with. God designed sex so that when two people come together sexually, they are joined together in a deeper sense than the merely physical — somehow their inner persons are connected together as well. This is what Paul referred to as he continued:
The body is not meant for sexual immorality but for the Master, and the Master for the body. Do you not know that your bodies are members of Messiah Himself? Shall I then take the members of Messiah and unite them with a prostitute? Never! Do you not know that he who unites himself with a prostitute is one with her in body? For it is written, "The two will become one flesh." But whoever is united with the Master is one with Him in spirit. Flee from sexual immorality. All other sins a person commits are outside the body, but whoever sins sexually, sins against their own body. Do you not know that your bodies are temples of the Holy Spirit, Who is in you, Whom you have received from God? You are not your own; you were bought at a price. Therefore honor God with your bodies. (1 Corinthians 6:13b,15-20)
It is obvious that when the Bible talks about a man and a woman becoming "one flesh" through sex, it does not literally mean "one body." Apparently God is using this phrase to mean a deeper, unseen spiritual union between two people. Because of this spiritual power of sex, God ordained that it be experienced only in marriage between one man and one woman. Paul continued:
Since sexual immorality is occurring, each man should have sexual relations with his own wife, and each woman with her own husband. (1 Corinthians 7:2)
Every other experience of sexual activity outside of this heterosexual, exclusive marriage relationship is outside of God's plan for humans, and is therefore forbidden for our own well being. It's because of God's loving, logical limits, and the inherent power of sexual relations, that Satan works overtime to facilitate and propagate sexual immorality on the earth. God's great gift to humans also has a great potential to be misused and perverted, causing great pain and devastation in human hearts, minds and bodies.

Another reason Satan wants to promote all sorts of sexual immorality is because God has designed marriage to be a symbol or illustration of the relationship between Yeshua and His people. Paul wrote elsewhere:
"For this reason a man will leave his father and mother and be united to his wife, and the two will become one flesh." This is a profound mystery — but I am talking about Messiah and the Church. (Ephesians 5:31-32)
This spiritual symbolism is surely one important reason why God is so against divorce. Yeshua Himself, God in the flesh, took a pretty hard line against divorce:
Some Pharisees came to Yeshua to test him. They asked, "Is it lawful for a man to divorce his wife for any and every reason?"

"Haven't you read," he replied, "that at the beginning the Creator 'made them male and female,' and said, 'For this reason a man will leave his father and mother and be united to his wife, and the two will become one flesh?' So they are no longer two, but one flesh. Therefore what God has joined together, let no one separate."

"Why then," they asked, "did Moses command that a man give his wife a certificate of divorce and send her away?"

Yeshua replied, "Moses permitted you to divorce your wives because your hearts were hard. But it was not this way from the beginning. I tell you that anyone who divorces his wife, except for sexual immorality [porneia #1 above], and marries another woman commits adultery [moichaō #6 above]." (Matthew 19:3-9)
Much of the divorce that takes place in our time is not the result of sexual immorality, but mere selfishness and an unwillingness to remain committed. Therefore, according to Yeshua, such divorces and remarrying result in the sexual sin of adultery. Yet even many Christians dismiss this teaching of Yeshua as old-fashioned and irrelevant to our modern age! Obviously they know better than God!

This brings to a close our brief overview of what the New Testament says about sexual sin. In my next article we will consider the specific sexual sin of homosexuality, while in the article after that we will take a look at sexual sin in the Church.
This article is 10th a series of articles on this Web site related to Exploring New Testament Realities which also includes (scroll to see the entire list):
19  Sep  2013
1  Oct  2013
7  Oct  2013
12  Oct  2013
15  Oct  2013
16  Oct  2013
30  Oct  2013
13  Nov  2013
28  Dec  2013
The New Testament On Sexual Sin
8  Jan  2014
15  Jan  2014
16  Jan  2014
21  Jul  2014
26  Jul  2014
27  Jul  2014
31  Jul  2014
5  Aug  2014
10  Aug  2014
11  Aug  2014
24  Aug  2014
25  Aug  2014
27  Aug  2014
16  Sep  2014
17  Oct  2014
18  Oct  2014
21  Oct  2014
28  Oct  2014
8  Nov  2014
13  Dec  2014
24  Dec  2014
11  Jan  2015
20  Jan  2015
21  Jan  2015
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