形容詞 indebted:

1. under a legal obligation to someone
2. owing gratitude or recognition to another for help or favors etc

1. He is indebted to his memory for his jest and to his imagination for his fact.
   他的詼諧有賴于記憶力，而其事實則有來于想象力。
2. Owing something, such as gratitude, to another; indebted.
   受惠的欠別人東西，如人情; 感激的
3. I am greatly indebted to you for your kindness.
   我非常感激您的恩惠。
4. He was indebted to her for nursing him through pneumonia.
   他感激她護理好了他的肺炎。

in.debt.ed

adj.（形容詞）
Morally, socially, or legally obligated to another; beholden.
有義務的：道德、社會或法律上有義務償還某人的；感激的

來源：
Middle English endetted
中古英語 endetted
from Old French endette [past participle of] endetter [to oblige]
源自 古法語 endette [] endetter的過去分詞 [迫使]
en- [causative pref.] * see en-
en- [使役前綴] *參見 en-
dette [debt] * see debt
dette [債務] *參見 debt