'Falsehood' in the Bible

‘You shall not take the name of the Lord your God in vain [that is, irreverently, in false affirmations or in ways that impugn the character of God]; for the Lord will not hold guiltless nor leave unpunished the one who takes His name in vain [disregarding its reverence and its power].

and the judges have searched diligently, and lo, the witness is a false witness, a falsehood he hath testified against his brother: