su·per·rich 
(spər-rĭch′)
(spər-rĭch′)adj.
1. Of, relating to, or being the wealthiest.
2. Containing the richest ingredients: superrich chocolate ice cream.
n. (used with a pl. verb)
The most wealthy people considered as a group or class. Often used with the: Only the superrich are able to afford trips to that resort.