IOU

/ˌˈaɪ ˈoʊ ˌju/
IPA guide

Other forms: IOUS

Definitions of IOU
  1. noun
    an informal debt instrument; representing `I owe you'
    see moresee less
    type of:
    note, note of hand, promissory note
    a promise to pay a specified amount on demand or at a certain time
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