She's from a very rich family.
He's the third richest man in the country.
They're one of the world's richest nations.
I got many CDs, DVDs and clothes, but the best [present] was a 72" Plasma television that I received from our rich friend, Richie Rich. (Key English Test; A2; Portuguese)
a rich sauce
The cooking [is] bas[ed] on traditional recipes of Westfalian origin and it is tasty but often very rich! (First Certificate in English; B2; German)
The region is rich in minerals and coal deposits.
Both foods are rich in Vitamin C.
The country has vast oil reserves and rich deposits of other minerals.
Their lessons are valuable, rich in knowledge and fun[n]y. (First Certificate in English; B2; Polish)
These ski resorts are for the rich.
What did the rich do all day? (Certificate in Advanced English; C1; Chinese)