Synonyms of the word 
VENGEFUL → REVENGEFUL - UNFORGIVING - VINDICTIVE
vengeful
- adj. Vindictive or wanting vengeance.
revengeful
- adj. Vengeful, vindictive.
unforgiving
- adj. Unwilling or unable to forgive or show mercy.
- adj. Having no allowance for weakness.
vindictive
- adj. Having a tendency to seek revenge when wronged, vengeful.
- adj. (obsolete) punitive.
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