"rarified" in the adjective sense
1. rare, rarefied, rarified
having low density
"lightheaded from the rarefied mountain air"
2. exalted, elevated, sublime, grand, high-flown, high-minded, lofty, rarefied, rarified, idealistic, noble-minded
of high moral or intellectual value elevated in nature or style
"an exalted ideal"
"argue in terms of high-flown ideals"- Oliver Franks
"a noble and lofty concept"
"a grand purpose"
Source: WordNet® (An amazing lexical database of English)
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