'Blameless' in the Bible

And he said, Now also let it be according to your words: let him with whom it is found be my bondman, but ye shall be blameless.

And Samson said to them, "This time I shall be blameless in regard to the Philistines, when I do them mischief."

He that hath blameless hands and a pure heart; who lifteth not up his soul unto vanity, nor sweareth deceitfully: