Crossword Genius

Extremely comfortable — advocate getting new investment (8)

Ross

I believe the answer is:

snuggest

'extremely comfortable' is the definition.
(the most snug or comfortable)

I don't understand how the remainder of the clue works.

(Other definitions for snuggest that I've seen before include "Most welcoming" , "extremely tightly fitting" , "Most warm" .)

I've seen this clue in 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.