Most ahead of time (8)
I believe the answer is:
earliest
(Other definitions for earliest that I've seen before include "Ateliers (anag.)" , "Nearest the start of a time period" , "Soonest" , "Very first in a sterile manner" , "Arriving first" .)
I believe the answer is:
earliest
(Other definitions for earliest that I've seen before include "Ateliers (anag.)" , "Nearest the start of a time period" , "Soonest" , "Very first in a sterile manner" , "Arriving first" .)