vindictive - WordReference. com Dictionary of English disposed or inclined to revenge; vengeful:a vindictive person proceeding from or showing a revengeful spirit:vindictive rumors Latin vindict (a) vengeance + - ive 1610–20
vindictive - Wiktionary, the free dictionary Vindictiveness requires more energy of character than he possessed Indeed, it may be questioned whether he would of himself have taken the violent measures of the preceding evening The vindictive mockery in her voice made his brain quiver