rarefied

/ɹˈe‌əfa‌ɪd/

/ˈɹɛɹəfaɪd/

rarefied

of high moral or intellectual value; elevated in nature or style

synonyms : elevated

(of the oxygen level in the air) containing a lower-than-average amount of oxygen

synonyms : rare

Examples

1. And equities themselves remain in rarefied territory.

2. The rarefied air up here, where I am. -

3. Compared to Earth, the atmosphere of Mars is quite rarefied.

4. Even though I'm in rarefied air in a lot of ways.