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  • Back Bay
    Back Bay
    noun
    a prosperous residential and commercial area of Boston, Massachusetts.
  • back bay
    back bay
    noun
    a small bay or inlet of a lake

Back Bay

American  

noun

  1. a prosperous residential and commercial area of Boston, Massachusetts.


back bay British  

noun

  1. a small bay or inlet of a lake

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“There’s a reason that younger people tend to have high-deductible health plans, and obviously it’s affordability,” Robert Jeter, a financial adviser with Back Bay Financial Planning and Investments, told MarketWatch.

From MarketWatch • Oct. 9, 2025

Forecasts called for sunshine and temperatures in the mid-50s, rising into the mid- to high-60s for the stragglers who make it to Back Bay in late afternoon.

From Seattle Times • Apr. 15, 2024

Under that scenario, the streets of Boston's Back Bay we are gazing out across at would become capillaries of the Charles River.

From Salon • May 20, 2023

But following them from Hopkinton to Boston’s Back Bay on the third Monday in April are 30,000 others who are not in it to win it, or maybe not even to achieve a personal best.

From Washington Times • Apr. 13, 2023

The child of a well-heeled, status-oriented Back Bay family of antique dealers, she was far out of the league of a jockey with a seventh-grade formal education and no fixed address.

From "Seabiscuit: An American Legend" by Laura Hillenbrand

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