despiteful (adj.)

• acrid
• antagonistic
• antipathetic
• belligerent
• bitchy
• bitter
• cattish
• catty
• caustic
• clashing
• conflicting
• detestable
• evil
• hateful
• hostile
• malevolent
• malicious
• malignant
• quarrelsome
• rancorous
• repugnant
• sore
• spiteful
• unlikable
• venomous
• vicious
• virulent
• vitriolic
• wicked