Uncommon (4)
'uncommon' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for rare that I've seen before include "Scarce as hen's teeth!" , "Exceptional" , "Very scarce like valuable antique" , "Rear up to be uncommon" , "Choice - lightly cooked - thin" .)
'uncommon' is the definition.
(scarce means rare or uncommon)
This is the entire clue.
(Other definitions for scarce that I've seen before include "Not enough to satisfy demand" , "Not plentiful, hard to find" , "Rarely found" , "Not enough to meet demand" , "Uncommon" .)