"I'm not making this up!" (6)

I believe the answer is:

honest

(Other definitions for honest that I've seen before include "Honourable, sincere" , "Upright and straightforward" , "Genuine and trustworthy" , "Honorable and sincere" , "Without dissimulation or guile" .)

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.