thousandaire noun2 •(humorous) Somebody whose wealth is greater than one thousand units of the local currency.Plus, you’ve been in Cyrodiil for less than a week and have already become a hundredaire. A high-end hundredaire too, over halfway to thousandaire. — 2020 •(disapproving) An ersatz millionaire, a label for a person claiming millionaire status whose networth is less than a million. formsthousandaires