jumped-up[adjective]Synonyms: conceited, arrogant, insolent, overbearing, pompous, presumptuous
[TahlilGaran] English Synonym Dictionary ▲
ˌjumped-ˈup adjective [only before noun] British English informal a jumped-up person thinks they are more important than they really are, because they have improved their social position:
a jumped-up little bureaucrat [TahlilGaran] Dictionary of Contemporary English ▲