The definition of impecunious is a person without any money.
An example of impecunious is someone living on the street.
having no money; poor; penniless
Origin of impecuniousfrom in- + obsolete pecunious, rich from Middle English from Old French pécunieux from Classical Latin pecuniosus, wealthy from pecunia, money: see pecuniary
Having little or no money.
Origin of impecuniousin- 1 pecunious rich ( from Middle English) ( from Old French pecunios ) ( from Latin pecūniōsus ) ( from pecūnia money, wealth ; see peku- in Indo-European roots.)
- Lacking money.