jumped-up
adjective/ˈdʒʌmpt ʌp/
/ˈdʒʌmpt ʌp/
[only before noun] (British English, informal, disapproving)- thinking you are more important than you really are, particularly because you have risen in social status
- He’s not really an accountant, just a jumped-up office clerk.
Check pronunciation:
jumped-up