(of arguments etc) showing hate, bitterness and disappointment

nasty in behavior, speech

(of a person, statement etc) sly and spiteful

nasty, malicious

(of a person) taking pleasure in causing pain to, watching the suffering of, others

vicious, pitiless; causing pain

very wicked, bad; likely to cause trouble

sinful, immoral

being or appearing unfriendly

antagonistic, mean

that cannot be calmed or satisfied

merciless, cruel

feeling, showing, caused by, malice

hateful

feeling or showing a desire for revenge

seeking revenge

(of a person, behaviour, act) showing no pity, sympathy or mercy

mean, heartless

showing a desire for revenge

retaliating; hating

deadly; spiteful

poisonous; hateful

wanting to hurt a person or have revenge

hateful, revengeful