Not dense; thin:
Of high spiritual, moral, or intellectual worth.
Having a serious moral purpose; noble:
Exceedingly lofty or exalted:
Of, relating to, or having the nature of an idealist or idealism.
of high moral or intellectual value; elevated in nature or style; ; - Oliver Franks
The definition of rare is something that exists in limited quantities, that is unusually good, or meat that is not cooked until it is well done.
Find another word for rarified. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for rarified, like: rarefied, exalted, elevated, sublime, grand, high-flown, high-minded, lofty, idealistic, noble-minded and rare.