bore
1 Americanverb (used with object)
noun
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a dull, tiresome, or uncongenial person.
He's such a bore that I'd rather stay home than go out with him.
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a cause of inconvenience or petty annoyance.
The job has a lot of repetitive tasks that are a bore to do.
verb (used with object)
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to pierce (a solid substance) with some rotary cutting instrument.
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to make (a hole) by drilling with such an instrument.
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to form, make, or construct (a tunnel, mine, well, passage, etc.) by hollowing out, cutting through, or removing a core of material.
to bore a tunnel through the Alps;
to bore an oil well 3,000 feet deep.
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Machinery. to enlarge (a hole) to a precise diameter with a cutting tool within the hole, by rotating either the tool or the work.
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to force (an opening), as through a crowd, by persistent forward thrusting (usually followed by through orinto ); to force or make (a passage).
verb (used without object)
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to make a hole in a solid substance with a rotary cutting instrument.
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Machinery. to enlarge a hole to a precise diameter.
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(of a substance) to admit of being bored.
Certain types of steel do not bore well.
noun
verb
verb
noun
verb
noun
verb
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to produce (a hole) in (a material) by use of a drill, auger, or other cutting tool
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to increase the diameter of (a hole), as by an internal turning operation on a lathe or similar machine
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(tr) to produce (a hole in the ground, tunnel, mine shaft, etc) by digging, drilling, cutting, etc
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informal (intr) (of a horse or athlete in a race) to push other competitors, esp in order to try to get them out of the way
noun
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a hole or tunnel in the ground, esp one drilled in search of minerals, oil, etc
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a circular hole in a material produced by drilling, turning, or drawing
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the diameter of such a hole
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the hollow part of a tube or cylinder, esp of a gun barrel
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the diameter of such a hollow part; calibre
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an artesian well
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In fluid mechanics, a jump in the level of moving water, generally propagating in the opposite direction to the current. Strong ocean tides can cause bores to propagate up rivers.
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The white, shallow portion of a wave after it breaks. The bore carries ocean water onto the beach.
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A tidal wave caused by the surge of a flood tide upstream in a narrowing estuary or by colliding tidal currents.
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Other Word Forms
Etymology
Origin of bore1
First recorded in 1760–70; of uncertain origin
Origin of bore2
First recorded before 900; Middle English bor(i)en, Old English borian; cognate with Old High German borōn, German bohren, Old Norse bora, Latin forāre
Origin of bore3
First recorded in 1275–1325; Middle English bare “a wave, billow,” from Old Norse bāra
Explanation
If your friends fall asleep every time you open your mouth, you might be a bore — someone who makes the people around them bored. In 1738, Voltaire wisely wrote, “The secret of being a bore is to tell everything.” But the word bore is less boring than you think, since it can function as both noun and verb. You can bore a hole into something by drilling through it with a tool, and you can also bore people by being excessively dull, repetitive, or tedious to be around. And don't forget the bore of a needle or gun barrel, which is the same as its diameter.
Vocabulary lists containing bore
Beowulf vocabulary
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Mr. Popper’s Penguins
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"The Tell-Tale Heart" and "The Raven"
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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.
See Examples For:
What would Ian Wright make of the prank that bore his name?
From BBC ● Oct. 1, 2026
“Both sides bore real litigation risk, and the decree reflects each side’s assessment of that risk,” Paramount wrote in its court filing.
From Los Angeles Times ● Sep. 28, 2026
It bore little fruit, and was eclipsed entirely when his conservative successor, Brian Mulroney won the 1984 election and began working with Ronald Reagan on what would evolve into Nafta.
From The Wall Street Journal ● Sep. 13, 2026
While in the field, we encountered bore holes from bauxite mining exploration.
From Science Daily ● Aug. 28, 2026
They were all from his gentlemen’s club or from various banks, except for one thin, stained envelope with no return address but which bore many colorful postmarks and exotic stamps from distant lands.
From "The Interrupted Tale" by Maryrose Wood
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They are from drill holes bored hundreds of metres below the surface by mineral exploration companies decades ago.
From Science Daily ● Sep. 27, 2026
As much as I loved being home with my kids and understood the privilege it was, I was bored.
From Salon ● Sep. 26, 2026
My gaze drifted to the bartenders, who seemed bored, waiting for the evening rush.
From The Wall Street Journal ● Sep. 25, 2026
If they sense you’re a bored retiree, they will dangle the allure of giving your life renewed purpose.
From MarketWatch ● Sep. 25, 2026
Did Mom get bored of pretending to sunbathe on the beach?
From "South of Somewhere" by Kalena Miller
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We thought this was going to be unwatchably boring.
From Los Angeles Times ● Oct. 1, 2026
The lack of conflict that might have been created on a conventional news channel renders his impromptu network interminably boring.
From Salon ● Sep. 27, 2026
The bond market has a reputation for being boring.
From MarketWatch ● Sep. 26, 2026
Over the same period, boring old mutual funds have gotten cheaper.
From The Wall Street Journal ● Sep. 18, 2026
When Mr. Andrews had stopped by their table at dinner the first night, George thought he was just another boring millionaire coming over to kiss Aunt Daisy’s hand.
From "I Survived the Sinking of the Titanic, 1912" by Lauren Tarshis
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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.