Placed under obligation for something received, for which restitution or gratitude is due; as, we are indebted to our parents for their care of us in infancy; indebted to friends for help and encouragement
If you say that you are indebted to someone for something, you mean that you are very grateful to them for something. I am deeply indebted to him for his help. + indebtedness in·debt·ed·ness Mortimer recounted his indebtedness to her in his autobiography
Indebted countries, organizations, or people are ones that owe money to other countries, organizations, or people. America's treasury secretary identified the most heavily indebted countries. + indebtedness in·debt·ed·ness The company has reduced its indebtedness to just $15 million