resentful
🇺🇸
/rɪˈzentfl/
🇬🇧
/rɪˈzentfl/
Feeling upset because you think you have been treated unfairly.
After being passed over for promotion again, she felt resentful towards her boss.
昇進が再度見送られた後、彼女は上司に対して不満を感じた。