rancorous
adjective
[ ˈraŋk(ə)rəs ]
• characterized by bitterness or resentment.
• "sixteen miserable months of rancorous disputes"
Similar:
bitter,
spiteful,
hateful,
resentful,
acrimonious,
malicious,
malevolent,
malign,
malignant,
hostile,
antipathetic,
venomous,
poisonous,
vindictive,
evil-intentioned,
ill-natured,
baleful,
vengeful,
vitriolic,
virulent,
pernicious,
mean,
nasty,
bitchy,
catty,
malefic,
maleficent,