- rare
- rarerare1 [rer]adj.rarer, rarest [ME < MFr < L rarus, loose, thin, scarce, prob. < IE base * (e)re-, loose > Gr erēmos, solitary]1. not frequently encountered; scarce; unusual2. unusually good; excellent [a rare scholar]3. not dense; thin; tenuous [rare atmosphere]4. Obs. not close together; scatteredrarenessn.rare2 [rer]adj.rarer, rarest [earlier rear < ME rere < OE hrere, lightly boiled (basic sense prob. “disturbed, moved”) < base of hreran, to move]not completely cooked; underdone; partly raw: said esp. of meatrarenessn.rare3 [rer]vi.rared, raring1. Dial. REAR2 (esp. vi. 1 & 2)☆ 2. Informal to be eager, enthusiastic, etc.: used in prp. [raring to go]
English World dictionary. V. Neufeldt. 2014.