hateful (adj.)
- abhorrent
- abominable
- acrid
- antagonistic
- antipathetic
- arrant
- atrocious
- awful
- baleful
- base
- beastly
- belligerent
- bitchy
- bitter
- blameworthy
- brutal
- caustic
- clashing
- conflicting
- contemptible
- contemptuous
- crude
- cussed
- deplorable
- despicable
- despiteful
- detestable
- dire
- disgusting
- dreadful
- egregious
- enormous
- evil
- execrable
- fetid
- filthy
- flagrant
- forbidding
- foul
- fulsome
- grievous
- gross
- harmful
- heinous
- horrible
- horrid
- hostile
- ignoble
- infamous
- iniquitous
- invidious
- lamentable
- loathsome
- lousy
- malefic
- maleficent
- malevolent
- malicious
- malign
- malignant
- malodorous
- mean
- mephitic
- miasmal
- miasmic
- monstrous
- nasty
- nauseating
- nefarious
- noisome
- notorious
- noxious
- objectionable
- obnoxious
- obscene
- odious
- offensive
- ornery
- outrageous
- pitiable
- pitiful
- quarrelsome
- rancorous
- rank
- rebarbative
- regrettable
- repellent
- reprehensible
- repugnant
- repulsive
- revolting
- rotten
- sad
- scandalous
- scurvy
- shabby
- shameful
- shocking
- shoddy
- sickening
- sordid
- sore
- spiteful
- squalid
- stinking
- terrible
- unclean
- unlikable
- venomous
- vile
- villainous
- virulent
- vitriolic
- wicked
- woeful
- worst
- worthless
- wretched