to attack someone (especially verbally) unfairly in a deceitful, underhand, or treacherous manner, especially when they're not present in the place or situation that it happens. (as if stabbing them in the back). See backbite.
To deceptively trick into something wrong.
To lead astray, in a false direction.
To deceive by telling lies or otherwise giving a false impression.
To accidentally or intentionally confuse.
That which is deceptive or untruthful (e.g. a falsehood, deception, untruth, or ruse).
A wrong or bad lead; a leading in the wrong direction.