Thesaurus.com
Dictionary.com
Definitions

IOU

NOUN
promissory note
Synonyms


I.O.U.
NOUN
debenture
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Instead, the central bank created an IOU in 2022 that it calls a “deferred asset.”

From The Wall Street Journal • Mar. 25, 2026

Essentially, you borrow from the account and create an IOU to yourself.

From MarketWatch • Jan. 14, 2026

Should a player lose beyond his ability to pay, the others may allow him time to pay off his loss—usually, time until the next game—and he may offer up an IOU.

From The Wall Street Journal • Nov. 6, 2025

Investors see US Treasury securities as one of the safest possible bets, because the bonds - which are kind of like an IOU - are backed by the US government.

From BBC • Jan. 17, 2025

He’ll know something’s up in the same way he always knows which customer is going to shoplift or who’s good for an IOU and who’s not.

From "The Sun Is Also a Star" by Nicola Yoon




Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "IOU" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com