Akademik

rarefied
adjective
1. of high moral or intellectual value; elevated in nature or style
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an exalted ideal

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"argue in terms of high-flown ideals"- Oliver Franks

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a noble and lofty concept

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a grand purpose

Syn:
exalted, ↑elevated, ↑sublime, ↑grand, ↑high-flown, ↑high-minded, ↑lofty, ↑rarified, ↑idealistic, ↑noble-minded
Similar to: ↑noble
Derivationally related forms: ↑noble-mindedness (for: ↑noble-minded), ↑idealism (for: ↑idealistic), ↑high-mindedness (for: ↑high-minded), ↑grandness (for: ↑grand)
2. having low density
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rare gasses

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lightheaded from the rarefied mountain air

Syn: ↑rare, ↑rarified
Similar to: ↑thin
Derivationally related forms: ↑rarity (for: ↑rare)

Useful english dictionary. 2012.