MIDDLE AGES Synonyms: 23 Similar and Opposite Words

middle age

noun

Definition of middle age

as in adulthood

the period in a person's life from about age 40 to about age 60 as our generation approaches middle age When he reached middle age, he became suddenly obsessed with reliving his carefree college years.

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of middle age The research, published Wednesday in the journal Neurology Open Access, found that people who avoid three vascular risk factors in middle age — high blood pressure, diabetes and smoking — had about 13 more dementia-free years. — Lily Alvino, NBC news, 7 Aug. 2026 People were in middle age at the study’s start, and no one had dementia. — Kathleen Felton, Time, 7 Aug. 2026 But Coresh’s new study of more than 12,400 adults quantified how much the combination of these vascular measures in middle age may have influenced when dementia began to set in. — Kristen Rogers, CNN Money, 5 Aug. 2026 New research suggests that avoiding three risk factors in middle age — high blood pressure, diabetes, and smoking — could give you 13 more dementia-free years later in life. — Rob Williams, EverydayHealth.com, 5 Aug. 2026 See All Example Sentences for middle age

Recent Examples of Synonyms for middle age

Noun

Because at this point, true to the show being about adulthood, there’s a baby.

— Emily Temple, Literary Hub, 18 Aug. 2026
Panettiere had been candid about her struggles from child stardom through adulthood.

— ABC NEWS, ABC News, 18 Aug. 2026

Definition of adulthood

Noun

Bond insurance does not protect you from losses due to interest rate increases; the insurance protects you from losses due to the inability of the company that issued the bond to pay interest due as well as principal repayment at maturity.

— Elliot Raphaelson, The Orlando Sentinel, 15 Aug. 2026
Wrzesniewsky said the firm prefers the middle maturities over the 30-year bond.

— Greg Ritchie, Fortune, 14 Aug. 2026

Definition of maturity

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middle

middle age

middle-aged

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“Middle age.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/middle%20age. Accessed 21 Aug. 2026.

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Synonyms of middle age

noun

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