I owe you
4 synonyms for I owe you, grouped by meaning and by how common each one is.
Noun — A signed note acknowledging a debt, usually written informally and stating what is owed rather than when it will be repaid; normally written IOU.
Synonyms
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use I owe you
The word patterns that sound natural to a native speaker.
write an IOU
leave an IOU
I owe you one
I owe you big time
IOU is neutral in financial contexts; I owe you one is casual spoken English.
Etymology
The noun IOU is a spelling of the spoken phrase I owe you using the sounds of the three letters.
Full origin of I owe you →Frequently asked questions
Is an IOU legally binding?
It can be evidence of a debt, but on its own it is weak. Because a typical IOU names no repayment date, interest or consequences, courts treat a properly drawn promissory note or loan agreement as far stronger.
What is the difference between an IOU and a promissory note?
An IOU simply admits that money is owed. A promissory note goes further and promises to pay a stated amount by a stated date, often with interest and signatures, which makes it enforceable.
How do you write an IOU?
Give the date, both names, the exact amount, what it is for, and sign it. Adding a repayment date and a witness turns a casual note into something much more useful if there is a dispute later.
