high-minded vs rarefied

high-minded

adj
  • Refined, cultured, particularly civilized. 

  • Proud or arrogant. 

  • Magnanimous. 

  • Given to idealism. 

rarefied

adj
  • Elevated in style or nature, sublime; of high intellectual or moral value. 

  • Distant from the lives and everyday concerns of ordinary people; esoteric, exclusive, select. 

  • Less dense than usual; thin. 

How often have the words high-minded and rarefied occurred in a corpus of books? (source: Google Ngram Viewer )