Best opposite (5)
I believe the answer is:
worst
(Other definitions for worst that I've seen before include "Least well" , "the pits" , "The least favourable" , "Lowest of the low" , "Get better of; very bad" .)
I believe the answer is:
worst
(Other definitions for worst that I've seen before include "Least well" , "the pits" , "The least favourable" , "Lowest of the low" , "Get better of; very bad" .)