Nouns

(n)rich people, richpeople who have possessions and wealth (considered as a group)“only the very rich benefit from this legislation”

Adjectives

(a)richpossessing material wealth“her father is extremely rich”, “many fond hopes are pinned on rich uncles”
(a)richhaving an abundant supply of desirable qualities or substances (especially natural resources)“blessed with a land rich in minerals”, “rich in ideas”, “rich with cultural interest”
(a)richhigh in mineral content; having a high proportion of fuel to air“a rich vein of copper”, “a rich gas mixture”
(a)richsuggestive of or characterized by great expense“a rich display”
(a)richcausing indignation due to hypocrisy
(s)richof great worth or quality“a rich collection of antiques”
(s)fat, fertile, productive, richmarked by great fruitfulness“fertile farmland”, “a fat land”, “a productive vineyard”, “rich soil”
(s)deep, richstrong; intense“deep purple”, “a rich red”
(s)richvery productive“rich seams of coal”
(s)richcontaining plenty of fat, or eggs, or sugar“rich desserts”, “they kept gorging on rich foods”
(s)full-bodied, racy, rich, robustmarked by richness and fullness of flavor“a rich ruby port”, “full-bodied wines”, “a robust claret”, “the robust flavor of fresh-brewed coffee”
(s)richpleasantly full and mellow“a rich tenor voice”
(s)ample, copious, plenteous, plentiful, richaffording an abundant supply“had ample food for the party”, “copious provisions”, “food is plentiful”, “a plenteous grape harvest”, “a rich supply”