Definition of rich-rich in US English:

rich-rich

adjective

  • Very rich; extremely rich.

noun

  • A very rich person. Chiefly with the and plural concord: very rich people collectively.

Origin

Mid 16th century; earliest use found in Robert Copland (fl. 1505–1547), translator and printer. From rich + rich, either expressing a degree of richness (i.e. with the first occurrence of the adjective modifying the second) or for emphatic effect.

Pronunciation

rich-rich

/ˈrɪtʃˌrɪtʃ/