nonuniversal vs rare

nonuniversal

• Not universal. 

• That which is not universal. 

rare

• Very uncommon; scarce. 

• Thin; of low density. 

• Particularly of meat, especially beefsteak: cooked very lightly, so the meat is still red. 

• Good; enjoyable. 

• A scarce or uncommon item. 

• To rear, bring up, raise. 

• To rear, rise up, start backwards.