adj. phr. I owe you, abbreviated; a promissory note. I had to borrow some money from John and, in order to remind both of us, I wrote him an I.O.U. note for $250.
An I.O.U. idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with I.O.U., allowing users to choose the best word for their specific context.
Dizionario di parole simili, diverso tenore, sinonimi, di invocazione per Idioma I.O.U.