From Longman Dictionary of Contemporary Englishdeep in debtdeep in debtOWEowing a lot of money → deep
Examples from the Corpus
deep in debt• Her husband Peter is dying of cancer and the couple are deep in debt.• Ron and Melanie found themselves out of work and deep in debt.• The firms involved have ended up bankrupt or deep in debt, healthy companies turned into cripples.• Besides, Tam was deep in debt to Richie again, and couldn't really afford to go anywhere.• The Charterhouse, also deep in debt, was passed over in silence.• After my surgery, we were deep in debt with doctor bills. 