'Deceitful' in the Bible

For there are many that spurn authority--idle, talkative and deceitful persons, who, for the most part, are adherents of the Circumcision.

On the contrary encourage one another, day after day, so long as To-day lasts, so that not one of you may be hardened through the deceitful character of sin.

He never sinned, and no deceitful language was ever heard from His mouth.

For "He who wishes to be well-satisfied with life and see happy days-- let him restrain his tongue from evil, and his lips from deceitful words;