embittered
🇺🇸
/ɪmˈbɪtərd/
🇬🇧
/ɪmˈbɪtəd/
feeling or showing a lot of anger or unhappiness about something that happened in the past
The embittered employee complained about the company's unfair treatment.
분개한 직원은 회사의 불공평한 대우에 대해 불만을 제기했습니다.