rar·e·fied also rar·i·fied 
(rârə-fīd′)
(rârə-fīd′)adj.
1. Not dense; thin: the rarefied air of the high peaks.
2. Belonging to or reserved for a small select group; exclusive: accepted in the most rarefied social circles.
3. Refined or esoteric: rarefied academic theorizing; a man of rarefied appetites.
- no-tillage
- notion
- notional
- notionally
- not long for
- not miss a trick
- notochord
- notochordal
- not on your life
- notoriety
- notorious
- notoriously
- notoriousness
- notornis
- Notre Dame Mountains
- no-trump
- not so bad
- not the half of
- Nottingham
- not to mention
- Nottoway River
- not to worry
- notum
- notwithstanding
- Nouakchott