Crossword Genius

Sidewalk flaw (5)

Ross

I believe the answer is:

crack

(Other definitions for crack that I've seen before include "Narrow opening; joke" , "attempt" , "Try" , "Break; gap" , "Thin fissure or slangy joke" .)

I've seen this clue in the Universal.
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.