<p><strong>Noun</strong></p><ul><li>rarities.</li><li>something rare, unusual, or uncommon: Snowstorms are a rarity in the South.</li><li>something esteemed or interesting in being rare, uncommon, or curious: That folio is a rarity that will bring a good price.</li><li>the state or quality of being rare.</li><li>rare occurrence; infrequency: Volcanic eruptions on the island occur with great rarity.</li><li>unusual excellence.</li><li>thinness, as of air or a gas.</li></ul>