uncommon

not common or ordinarily encountered; unusually great in amount or remarkable in character or kind

• “uncommon birds”
• “frost and floods are uncommon during these months”
• “doing an uncommon amount of business”
• “an uncommon liking for money”
• “he owed his greatest debt to his mother”

marked by an uncommon quality; especially superlative or extreme of its kind

• “what is so rare as a day in June” J.R.Lowell
• “a rare skill”
• “an uncommon sense of humor”
• “she was kind to an uncommon degree”