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millstone

American  
[mil-stohn] / ˈmɪlˌstoʊn /

noun

  1. either of a pair of circular stones between which grain or another substance is ground, as in a mill.

  2. anything that grinds or crushes.

  3. any heavy mental or emotional burden (often used in the phrasea millstone around one's neck ).


millstone British  
/ ˈmɪlˌstəʊn /

noun

  1. one of a pair of heavy flat disc-shaped stones that are rotated one against the other to grind grain

  2. a heavy burden, such as a responsibility or obligation

    his debts were a millstone round his neck

"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

Etymology

Origin of millstone

before 1050; Middle English milneston, Old English mylenstān. See mill 1, stone

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.

“As the only sector to record a negative return in Q3, staples was the proverbial millstone around quality’s neck.”

From Barron's • Oct. 27, 2025

Sir Chris also said the claims by government that they were "following the science" became a "millstone around our necks".

From BBC • Nov. 21, 2023

The play’s conceit feels like a millstone around its neck, a catchy hook that quickly begins to feel like an obligation.

From Seattle Times • Sep. 12, 2023

This is one millstone McCarthy may yet remove from the body politic.

From Salon • May 11, 2023

“You’d be free of this millstone around your neck and ahead four hundred bucks to boot.”

From "Hattie Big Sky" by Kirby Larson