Rich

wealthy

having lots of natural resources: "Alaska is rich in oil."

elaborate or luxurious: "That was a very rich banquet."

being of good or strong qualities, flavours, or ingredients: "The chocolate cake was very rich."

full, deep, mellow or vivid: "The painter used a very rich palette."

very amusing or absurd (slang): "Give you $20? Yeah, that's rich." possessing an abundance, having depth: "The novel was rich in detail."