(adjective, verb)


1. having low density

- rare gasses

- lightheaded from the rarefied mountain air

Similar word(s): thin, rare, rarified

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

Similar word(s): noble, elevated, exalted, grand, idealistic, lofty, rarified, sublime

Sentences with rarefied as an adjective:

- Philosophical debates can be quite rarefied.

- The air at high altitudes at the top of mountains is rarefied.


1. simple past tense and past participle of rarefy