- something rare, unusual, or uncommon: Snowstorms are a rarity in the South.
- something esteemed or interesting in being rare, uncommon, or curious: That folio is a rarity that will bring a good price.
- the state or quality of being rare.
- rare occurrence; infrequency: Volcanic eruptions on the island occur with great rarity.
- unusual excellence.
- thinness, as of air or a gas.
- a rare person or thing, esp something interesting or valued because it is uncommon
- the state or quality of being rare
