It's all over the papers

I believe the answer is:

ink

(Other definitions for ink that I've seen before include "Writing fluid" , "Dark liquid" , "Pen fluid" , "Squid's means of concealment" , "See 9" .)

I've seen this clue in The New York 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.