revengeful
From LSJ
Τοὺς τῆς φύσεως οὐκ ἔστι λανθάνειν (μανθάνειν) νόμους → Legibus naturae non potest evadier → Naturgesetze keiner insgeheim verletzt
English > Greek (Woodhouse)
adjective
unforgetting: P. and V. μνήμων; see implacable.
be revengeful, v.: Ar. and P. μνησικακεῖν.