"Indebted" is effectively an adjective. It has the formof a past participle of a verb, but the corresponding verb, "indebt" is almost never used. Furthermore, past participles are often used as adjectives.
Indebted is an adjective. Indebtedness is a noun.
If you are indebted, it means you owe someone.I feel forever indebted to you for saving my life, thank you.After becoming indebted to the mobsters, he was forced to do some very questionable favours.
People whose lives are saved by others are indebted to them.
Indebted means to owe someone something. (Money, gratitude)
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
It means you owe somebody something. "I am indebted to the bank for more money than I'm worth." or "I'm indebted to you for saving my life; I hope I can repay you someday."
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.