erroneous

erheellinen, väärä contain Containing an error; inaccurate.
His answer to the sum was erroneous.
derived Derived from an error.
His conclusion was erroneous as it was based on a false assumption.
mistaken Mistaken.
His choice at the line-up was erroneous as he had only seen the mugger for an instant.
puhekieltä signifies a deviation from the requirements of the law, but does not connote a lack of legal authority, and is thus distinguished from illegal.
If, while having the power to act, one commits error in the exercise of that power, he acts erroneously.