/ rɪˈzentfl; NAmE / adjective
resentful (of / at / about sth) feeling bitter or angry about sth that you think is unfair :
a resentful look
They seemed to be resentful of our presence there.
She was resentful at having been left out of the team.
► re·sent·ful·ly / -fəli; NAmE / adverb