stumer /stūˈmər/ (slang)

1. A counterfeit coin or note
2. A forged or worthless cheque
3. A sham
4. A dud
5. A failure, bankruptcy
6. A horse sure to lose
7. A stupid mistake, clanger
8. A stupid person (Scot)

• unfittest
• unfitting
• unfittingly
• unfix
• unfixed
• unfixedness
• unfixednesses
• unfixes
• unfixing
• unfixities
• unfixity
• unflagging
• unflaggingly
• unflappabilities
• unflappability
• unflappable
• unflappably
• unflattering
• unflatteringly
• unflavoured
• unflawed
• unfledged
• unflesh
• unfleshed
• unfleshes