- Distant from the lives and everyday concerns of ordinary people; esoteric, exclusive, select.
- Philosophical debates can be quite rarefied.
- Elevated in style or nature, sublime; of high intellectual or moral value.
- (of a gas etc.) Less dense than usual; thin.
- The air at high altitudes at the top of mountains is rarefied.
distant from the lives and concerns of ordinary people
less dense than usual
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- simple past tense and past participle of