Webster’s Revised Unabridged Dictionary · 1913
Vindictive
Vin·dic′tive (vĭn·dĭk′tĭv), a. [For vindicative, confused with L. vindicta revenge, punishment, fr. vindicare to vindicate. Cf. Vindicative.] 1. Disposed to revenge; prompted or characterized by revenge; revengeful.
I am vindictive enough to repel force by force. Dryden.
2. Punitive. [Obs.]
Vindictive damages. (Law) See under Damage, n.
— Vin·dic′tive·ly, adv. — Vin·dic′tive·ness, n.