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What do you call a 52 year old?: Exploring Terms for the Midlife Decade

While the formal term for someone in their fifties is a *quinquagenarian*, most people find this word obscure and rarely use it. For most practical purposes, the best way to address or refer to a 52-year-old is simply as a '52-year-old,' 'a person in their fifties,' or by their name, while avoiding potentially ageist or demeaning slang.