blue zone

noun

variants or less commonly Blue Zone
plural blue zones also Blue Zones
: a geographical region where people have longer than average life expectancies and lower rates of chronic disease
People in all five blue zones also follow a similar eating pattern. They make breakfast their largest meal of the day. Lunch is smaller than breakfast, and dinner is their smallest meal.UCLA Health
The community improvement organization Valley in Motion … wants to know what it would take to transform Greater Scranton into a bastion of wellness and longevity, a so-called blue zone.Jon O'Connell
often used before another noun
blue zone residents rack up more physical activity in activities of daily living such as housework, gardening and transportation.LeeAnn Weintraub
Although the lifestyle varies from zone to zone, Blue Zone inhabitants exercise regularly, have strong social networks, know their purpose, feel a sense of spiritual or religious belonging, and drink moderate amounts of alcohol.Katie Tran

Word History

Etymology

Note: The collocation in a narrower sense was introduced by Michel Poulain, et al., "Identification of a geographic area characterized by extreme longevity in the Sardinia island: the AKEA study," Experimental Gerontology, vol. 39 (2004), pp. 1423-29. See p. 1426: "The corresponding map based on aggregation of municipalities is presented in Fig. 2 and was defined as the 'Blue Zone' because in the course of the analysis it was originally delineated using a blue marker."

First Known Use

2005, in the meaning defined above

Time Traveler
The first known use of blue zone was in 2005

Browse Nearby Words

Cite this Entry

“Blue zone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blue%20zone. Accessed 10 Mar. 2026.

Last Updated: - Entry added
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