adjective (a)

• full of or marked by resentment or indignant ill will

  penuh atau pancaran kebencian atau sakit akan bertahan

  Example:
  Resentful at the way he was treated.
  A sullen resentful attitude.
  

  Antonym:
  unresentful
  

  source: wordnet30
• Inclined to resent; easily provoked to anger; irritable.

  cenderung untuk membenci; mudah untuk memprovokasi kemarahan; cepat marah.

  source: webster1913