rarefied
1. [ adjective ] reserved for an elite group
Synonyms: rarified
Related terms: reserved
2. [ adjective ] having low density
Synonyms: rarified rare
Examples:

"rare gasses" "lightheaded from the rarefied mountain air"

Related terms: thin
3. [ adjective ] of high moral or intellectual value; elevated in nature or style
Synonyms: exalted lofty rarified high-minded idealistic noble-minded high-flown
Examples:

"an exalted ideal" "argue in terms of high-flown ideals"- Oliver Franks "a noble and lofty concept"

Related terms: noble
Similar spelling:   rarified
  rarebit