Trs trs (5)

I believe the answer is:

ultra

(Other definitions for ultra that I've seen before include "Prefix meaning beyond or excessively" , "Extreme (eg in fashion or politics)" , "Fanatic" , "(As prefix) beyond or extreme" , "Saharan dweller" .)

I've seen this clue in the LA Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.