ingratitude
🇺🇸
/ɪnˈɡrætɪtuːd/
🇬🇧
/ɪnˈɡrætɪtjuːd/
A lack of gratitude or appreciation for something done or received.
It was a sign of ingratitude when he didn't thank her for the gift.
그가 선물에 대해 감사하지 않았으니, 그건 무례한 징후였습니다.