Adjective uncommon has 2 senses
- 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's uncommon character and ability"
Antonyms: common, average, ordinary, democratic, popular, demotic, frequent, general, grassroots, standard
- rare, uncommon - 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"
Antonym: ordinary (indirect, via extraordinary)
,