'Deceitfully' in the Bible

And the sons of Jacob answered Shechem and Hamor his father deceitfully, and said, because he had defiled Dinah their sister:

And Moses said, Behold, I go out from thee, and I will intreat the LORD that the swarms of flies may depart from Pharaoh, from his servants, and from his people, to morrow: but let not Pharaoh deal deceitfully any more in not letting the people go to sacrifice to the LORD.

If she please not her master, who hath betrothed her to himself, then shall he let her be redeemed: to sell her unto a strange nation he shall have no power, seeing he hath dealt deceitfully with her.

Then it shall be, because he hath sinned, and is guilty, that he shall restore that which he took violently away, or the thing which he hath deceitfully gotten, or that which was delivered him to keep, or the lost thing which he found,

My brethren have dealt deceitfully as a brook, and as the stream of brooks they pass away;

Will ye speak wickedly for God? and talk deceitfully for him?

He that hath clean hands, and a pure heart; who hath not lifted up his soul unto vanity, nor sworn deceitfully.

Thy tongue deviseth mischiefs; like a sharp rasor, working deceitfully.

Cursed be he that doeth the work of the LORD deceitfully, and cursed be he that keepeth back his sword from blood.

And after the league made with him he shall work deceitfully: for he shall come up, and shall become strong with a small people.