'Liar' in the Bible

And if it be not so now, who will prove me a liar, And make my speech nothing worth?

Notwithstanding my right I am accounted a liar; My wound is incurable, though I am without transgression.

An evil-doer giveth heed to wicked lips; And a liar giveth ear to a mischievous tongue.

That which maketh a man to be desired is his kindness; And a poor man is better than a liar.

Add thou not unto his words, Lest he reprove thee, and thou be found a liar.

Ye are of your father the devil, and the lusts of your father it is your will to do. He was a murderer from the beginning, and standeth not in the truth, because there is no truth in him. When he speaketh a lie, he speaketh of his own: for he is a liar, and the father thereof.

and ye have not known him: but I know him; and if I should say, I know him not, I shall be like unto you, a liar: but I know him, and keep his word.

God forbid: yea, let God be found true, but every man a liar; as it is written, That thou mightest be justified in thy words, And mightest prevail when thou comest into judgment.

If we say that we have not sinned, we make him a liar, and his word is not in us.

He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him;

Who is the liar but he that denieth that Jesus is the Christ? This is the antichrist, even he that denieth the Father and the Son.

If a man say, I love God, and hateth his brother, he is a liar: for he that loveth not his brother whom he hath seen, cannot love God whom he hath not seen.

He that believeth on the Son of God hath the witness in him: he that believeth not God hath made him a liar; because he hath not believed in the witness that God hath borne concerning his Son.