Uppermost (3)
'uppermost' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for highest that I've seen before include "Most exalted" , "Above all others" , "Tallest" , "Greatest (number)" , "Most elevated" .)
'uppermost' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for top that I've seen before include "Children's toy" , "Most successful" , "Kill" , "The circus tent can be a big one" , "Pinnacle" .)