Validly and Improperly

adverb

• With validity; in a valid manner.
  • usage: "this may not validly be done"

(adv.) In a valid manner; so as to be valid.

adverb

• In an improper way.
  • usage: "he checked whether the wound had healed improperly"

(adv.) In an improper manner; not properly; unsuitably; unbecomingly.