Meaning of the word "promise is a debt" in English

What does "promise is a debt" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

promise is a debt

US /ˈprɑː.mɪs ɪz ə det/
UK /ˈprɒm.ɪs ɪz ə det/
"promise is a debt" picture

Idiom

a proverb meaning that once you have made a promise, you have a moral obligation to fulfill it, just as you have a legal obligation to pay a debt

Example:
You said you would help me move this weekend, and a promise is a debt.
Don't forget your commitment to the charity; a promise is a debt.