Share this entry

Share this page


Line breaks: IOU
Pronunciation: /ʌɪəʊˈjuː

Definition of IOU in English:


A signed document acknowledging a debt: ‘Will you take an IOU?’


late 18th century: representing the pronunciation of I owe you.

Definition of IOU in:

Share this entry

Share this page


What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day prepotent
Pronunciation: prɪˈpəʊt(ə)nt
greater than others in power or influence