- IOU as a noun:
- 1
IOU
noun
1 IOU
An informal debt instrument; representing `I owe you'.
Dutch: schuldige kwitantie
Polish: rewers
Moby thesaurus: CD, MO, acceptance, acceptance bill, bank acceptance, bank check, bill, bill of draft, bill of exchange, blank check, certificate, certificate of deposit, certified check, check, checkbook, cheque, commercial paper, debenture, demand bill, demand draft ... show more.
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