If you see yourself or somebody else being impeached, then such dream indicates your wish to be challenged. The dream may also represent you fear to be unappreciated and disrespected by others.
Dream dictionary: Impeach dream meanings
…For a girl to dream that she has got new, and beautiful ribbons on her bonnet or dress, is a sign someone will flatter her to her disadvantage: if she does not like the ribbon, it shows that she win hear of some scandal relative to herself; and if the ribbon is red, the scandal will impeach her chastity. Lucky lottery dream numbers – 39, 6….