Superlative form of ritzy: most ritzy. (adjective)
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Use "ritziest" in a sentence
"At the ritziest department store in town Dora bought panty hose."
"The coalition is willing to do what it takes to create that momentum, said Cook, who is leading efforts at San Antonio de Padua Church in Anaheim Hills, one of the ritziest neighborhoods in the 350,000-person city."
"The beach vendors can walk unrestricted selling their wares along the beach in front of even the ritziest of properties."