Tyr·an·nize v. i. [imp. & p. p. Tyrannized p. pr. & vb. n. Tyrannizing ] To act the tyrant; to exercise arbitrary power; to rule with unjust and oppressive severity; to exercise power over others not permitted by law or required by justice, or with a severity not necessary to the ends of justice and government; as, a prince will often tyrannize over his subjects; masters sometimes tyrannize over their servants or apprentices.
Tyr·an·nize, v. t. To subject to arbitrary, oppressive, or tyrannical treatment; to oppress.
v 1: rule a country as a tyrant [syn: tyrannise, grind down]
2: rule or exercise power over (somebody) in a cruel and
autocratic manner; "her husband and mother-in-law
tyrannize her" [syn: tyrannise, domineer]