ultrararefied

/ˌʌltrəˈrɛrəfaɪd/
adjective
  1. Extremely thin or low in density, especially referring to air or gas.
    • The balloon rose into the ultrararefied upper atmosphere.
    • At high altitudes, the ultrararefied air makes breathing difficult.
    • Scientists study how engines perform in ultrararefied conditions.
  2. Belonging to an extremely exclusive or refined group; very highbrow.
    • The art gallery catered to an ultrararefied clientele.
    • The ultrararefied world of high fashion is hard to enter.
    • He moved in ultrararefied social circles, dining with diplomats and celebrities.
Antonyms
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