Keywords: bet, wager, debt, owe
As a Noun
1. The act of betting on something, or the amount of money you agree to give. English = bet. Formal English = wager.
2. The money that you have borrowed from someone and not yet paid back. English = debt.
As a Verb or Adjective
1. To make an agreement with someone that if what you say will happen does happen, they will give you a sum of money, and if you are wrong you will give them a sum of money. English = bet. Formal English = wager.
2. To have borrowed money from someone and to have not yet paid it back. English = owe.