— uncommonness , n.
/un kom"euhn/ , adj., uncommoner, uncommonest .
1. not common; unusual; rare: an uncommon word.
2. unusual in amount or degree; above the ordinary: an uncommon amount of mail.
3. exceptional; remarkable.
[ 1540-50; UN- 1 + COMMON ]
Syn. 1. scarce, infrequent; odd, singular, strange, peculiar, queer. 2. extraordinary. 3. outstanding.