Cause to feel ill at ease (5)

I believe the answer is:

abash

(Other definitions for abash that I've seen before include "Make embarrassed or ashamed" , "Discomfit" , "put one to shame" , "Rattle" , "Crush" .)

I've seen this clue in the Sydney Morning Herald.

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.