† tyˈrannicly,adv.Obs.rare—1. In 6 -ykly. [f. tyrannic + -ly2.] = tyrannically. 1539Cromwell in Merriman Life & Lett. (1902) II. 188 The Duke of Holtz usurpatour of the kingdom of Denmerke by whose meanes his brother in lawe king christierne is kept tyrannykly in prison.