† eˈxactious,a.Obs.rare. [f. exacti-on + -ous.] Characterized by exaction; exorbitant. 1630R. Johnson's Kingd. & Commw. 477 An exactious Prince.1633Cal.St. Papers Dec., The parish clerk..would not suffer a poor parishioner..to be buried without such exactious fees as were unreasonable.