Oniomania n An irresistible urge to buy things. The condition is generally in association with penury; where it is not, it soon will be, especially as omniomaniacs, like thermanesthesiacs (q.v.), often marry each other.
Each Tuesday, we’ll offer up a Superior Word for the edification of our Superior Readers, via the volumes of the inimitable Peter Bowler. You can purchase all or any of the four Superior Person’s Books of Words from the Godine website. Oniomania appears in the Second.