'Unfaithfully' in the Bible

If she is unacceptable in the eyes of her master, who had taken her for himself, then shall he let her be ransomed: to sell her unto a foreign people he hath no power, after having dealt unfaithfully with her.

If any one act unfaithfully and sin through inadvertence in the holy things of Jehovah, then he shall bring his trespass-offering to Jehovah, a ram without blemish out of the small cattle, according to thy valuation by shekels of silver, according to the shekel of the sanctuary, for a trespass-offering.

If any one sin and act unfaithfully against Jehovah, and lie to his neighbour as to an entrusted thing or a deposit or that in which he hath robbed or wronged his neighbour,

And Shechaniah the son of Jehiel, of the sons of Elam, answered and said to Ezra, We have acted unfaithfully toward our God, and have taken foreign wives of the peoples of the land; yet now there is hope for Israel concerning this thing.

And Ezra the priest stood up and said to them, Ye have acted unfaithfully, and have taken foreign wives, to increase the trespass of Israel.

Remember, I beseech thee, the word that thou commandedst thy servant Moses, saying, If ye act unfaithfully, I will scatter you among the peoples;

And should we hearken to you to do all this great evil, to act unfaithfully to our God by marrying foreign wives?

and they shall bear their confusion, and all their unfaithfulness in which they have acted unfaithfully against me, when they shall dwell safely in their land, and none shall make them afraid;

Have we not all one father? Hath not one God created us? Why do we deal unfaithfully every man against his brother, by profaning the covenant of our fathers?

Judah hath dealt unfaithfully, and an abomination is committed in Israel and in Jerusalem; for Judah hath profaned the sanctuary of Jehovah which he loved, and hath married the daughter of a strange god.

Yet ye say, Wherefore? Because Jehovah hath been a witness between thee and the wife of thy youth, against whom thou hast dealt unfaithfully: yet is she thy companion, and the wife of thy covenant.

And did not one make them? and the remnant of the Spirit was his. And wherefore the one? He sought a seed of God. Take heed then to your spirit, and let none deal unfaithfully against the wife of his youth,

(for I hate putting away, saith Jehovah the God of Israel;) and he covereth with violence his garment, saith Jehovah of hosts: take heed then to your spirit, that ye deal not unfaithfully.