Quick and cheerful enthusiasm (8)

I believe the answer is:

alacrity

'quick and cheerful enthusiasm' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for alacrity that I've seen before include "Cheerful willingness" , "Prompt and eager readiness" , "Liveliness and eagerness" , "Showing brisk readiness" , "'Briskness, promptness (8)'" .)

I've seen this clue in the Irish Times (Simplex), The Irish Times and The Guardian.

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.