grindstone
Americannoun
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a rotating solid stone wheel used for sharpening, shaping, etc.
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a millstone.
idioms
noun
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a machine having a circular block of stone or composite abrasive rotated for sharpening tools or grinding metal
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the stone used in this machine
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any stone used for sharpening; whetstone
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another name for millstone
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to work hard and perseveringly
Etymology
Origin of grindstone
Explanation
A grindstone is a device for sharpening metal tools. If you're a farmer, or an ax-wielding goblin in a fantasy novel, you might be in need of a grindstone. Classic grindstones are wheels made of stone that hone the edges of metal blades held against them as they rotate. You might use such a grindstone to sharpen your shovel or pruning shears. If someone tells you to "keep your nose to the grindstone," they basically mean "work hard!" This colloquial phrase comes from the old-fashioned practice of knife grinders keeping their faces extremely close to the grindstone as they worked.
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.
If she works hard, keeps her nose to the grindstone, and remains diligent, within a few years she might even find herself making six figures.
From Los Angeles Times • Apr. 27, 2024
The average person who “just puts their nose to the grindstone and goes to work, I don’t think that motivates them. I think it scares them and freezes them.”
From Seattle Times • Feb. 17, 2024
Ms. Ward, a mother of three sons and a grandmother, did allow herself to enjoy the achievement just a little before putting her nose back to the grindstone.
From Washington Times • Mar. 22, 2023
Even if you can’t permanently retire from the full-time grindstone, your low expenses buy you a lot of flexibility.
From Slate • Feb. 13, 2023
No, now that he had arrived, he must keep his nose to the grindstone.
From "And Then There Were None" by Agatha Christie
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.