'Rareness' definitions:

Definition of 'rareness'

From: WordNet
noun
Noteworthy scarcity [syn: rarity, rareness, infrequency]

Definition of 'Rareness'

From: GCIDE
  • Rareness \Rare"ness\, n. The state or quality of being rare. [1913 Webster]
  • And let the rareness the small gift commend. --Dryden. [1913 Webster]