1. 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

Similar word(s): especial, exceptional, particular, special, rare, unusual, unwonted, unusual, extraordinary

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

- an uncommon sense of humor

- she was kind to an uncommon degree

Similar word(s): extraordinary, rare

Sentences with uncommon as an adjective:

- Bald eagles are an uncommon sighting in this state

- The diamond was of uncommon size