Crossword Genius

Superlative prefix (4)

Ross

I believe the answer is:

uber

'superlative prefix' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for uber that I've seen before include "Taxi company" , "App-based alternative to taxis" .)

I've seen this clue in the Newsday and the LA Times.
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