Slickness (10)
I believe the answer is:
efficiency
(Other definitions for efficiency that I've seen before include "Performance with speed and economy" , "State of working with minimum wasted effort" , "Economy in production" .)
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.