adjective Chiefly British.
having recently gained prominence or fame and appearing arrogant.
Origin of jumped-up
First recorded in 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for jumped-up
Historical Examples of jumped-up
informal suddenly risen in significance, esp when appearing arrogant
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012