Vindictive

Vin*dic"tive (?), 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.