Definition of uber- in English:

uber-

(also über-)
  • Denoting an outstanding or supreme example of a particular kind of person or thing.

    ‘an audience composed largely of ubergeeks’
    • ‘he was an uber-fan of his favorite team’
    • ‘an uber-athlete’

Pronunciation

uber-

/ˈo͞obər/ /ˈubər/

Origin

1960s from German über ‘over’, after Übermensch.