"affluent" in the noun sense
1. affluent
an affluent person a person who is financially well off
"the so-called emerging affluents"
2. feeder, tributary, confluent, affluent
a branch that flows into the main stream
"affluent" in the adjective sense
1. affluent, flush, loaded, moneyed, wealthy, substantial
having an abundant supply of money or possessions of value
"an affluent banker"
"a speculator flush with cash"
"not merely rich but loaded"
"moneyed aristocrats"
"wealthy corporations"
"a substantial family"
Source: WordNet® (An amazing lexical database of English)
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