Most appealing (6)
'most appealing' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for nicest that I've seen before include "most appetising" , "Most attractive" , "Insect (anag)" , "Most pleasing" , "Most agreeable" .)
'most appealing' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for cutest that I've seen before include "Most clever" , "Most attractive in an endearing way" , "Smartest" , "Most appealing" , "Most sweet and endearing" .)