Cutting humor (7)

I believe the answer is:

sarcasm

(Other definitions for sarcasm that I've seen before include "Caustic remark" , "Scornful jibe" , "Mocking words intended to insult" , "Insulting lingo" , "Caustic remarks" .)

I've seen this clue in the King Feature Syndicate.

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.