Tampon size bigger than Super Plus (5)

I believe the answer is:

ultra

(Other definitions for ultra that I've seen before include "Fanatic" , "Person holding extreme views" , "Secret intelligence" , "holding extreme position" , "lacking moderation" .)

I've seen this clue in the USA Today.

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.