inch
1 Americannoun
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a unit of length, 1/12 (0.0833) foot, equivalent to 2.54 centimeters. in.
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a very small amount of anything; narrow margin.
to win by an inch;
to avert disaster by an inch.
verb (used with or without object)
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inches,
present (3rd person singular)
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inched,
past participle, past
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inching
present participle
idioms
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every inch, in every respect; completely.
That horse is every inch a thoroughbred.
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within an inch of, nearly; close to.
He came within an inch of getting killed in the crash.
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by inches,
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narrowly; by a narrow margin.
escaped by inches.
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Also inch by inch. by small degrees or stages; gradually.
The miners worked their way through the narrow shaft inch by inch.
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noun
noun
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a unit of length equal to one twelfth of a foot or 0.0254 metre
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meteorol
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an amount of precipitation that would cover a surface with water one inch deep
five inches of rain fell in January
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a unit of pressure equal to a mercury column one inch high in a barometer
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-
a very small distance, degree, or amount
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in every way; completely
he was every inch an aristocrat
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gradually; little by little
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very close to
verb
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to move or be moved very slowly or in very small steps
the car inched forward
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to defeat (someone) by a very small margin
noun
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A unit of length in the US Customary System equal to 1/12 of a foot (2.54 centimeters).
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See Table at measurement
Other Word Forms
Inflected Forms
Participles
Conjugated Forms
Present
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inchsimple
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inchessimple
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have inchedperfect
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has inchedperfect
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am inchingprogressive
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are inchingprogressive
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is inchingprogressive
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have been inchingperfect progressive
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has been inchingperfect progressive
Past
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inchedsimple
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had inchedperfect
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was inchingprogressive
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were inchingprogressive
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had been inchingperfect progressive
Future
Etymology
Origin of inch1
First recorded before 1000; Middle English inch(e), unch(e), enche, Old English ynce, from Latin uncia “twelfth part, inch, ounce”; see origin at ounce 1
Origin of inch2
First recorded in 1400–50; late Middle English, from Scots Gaelic innse, genitive of innis “island,” Old Irish inis, cognate with Welsh ynys, Breton enez
Explanation
An inch is a small unit of measurement. Twelve inches makes one foot. You might get an inch of your hair cut off, or hem your jeans so they're an inch shorter. Some countries use centimeters and meters as units of measurement, but if you measure in inches, you can order a twelve inch pizza or print out three by five inch photos. When inch is used as a verb, it means "to creep slowly forward." The Old English version was ynce, from the Latin uncia, "a twelfth part."
Vocabulary lists containing inch
Measurement and Data, List 2
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Measurement and Data
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STAAR Grade 5 Mathematics: Measurement
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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:
From Ossoff, he learned how to braid in being an intellectual and polished orator, how debate-club tactics can work as long as you eschew the tie and show an inch of clavicle.
From Slate ● Oct. 27, 2026
Every inch of its intimate sanctum contains the story of the venue’s principal owners, Quentin Ertel and Brian Rauschenbach.
From Salon ● Oct. 24, 2026
The Duo’s 7.6-inch inner display, just two-thirds of an inch smaller than the iPad Mini’s, is great for the same activities.
From The Wall Street Journal ● Oct. 21, 2026
A bit more rain is expected in Orange County with coastal areas receiving anywhere from half an inch to an inch over the weekend and into early next week.
From Los Angeles Times ● Oct. 10, 2026
And best of all was the wedged heel, about one inch high, which made me feel like I was eye to eye with Aunt Kate now.
From "The Detective's Assistant" by Kate Hannigan
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Torrential rains dumped nearly 5 inches of water on some towns, flooding roads, disrupting public transportation and forcing polling stations to relocate.
From The Wall Street Journal ● Oct. 27, 2026
They had pulled a truck around in front of the entrance, leaving just a few inches for the employees to slip in and out of the garage, invisible from the street.
From Slate ● Oct. 26, 2026
Mammoth Lakes received three to six inches of snow in the past three days and plans to open the Mammoth Mountain Ski Area on Nov. 13, according to spokesperson Mike Imes.
From Los Angeles Times ● Oct. 24, 2026
Sitting just inches apart around a San Diego beach rental’s dinner table in Fielder and co-director Lance Oppenheim’s magnificent new documentary, “You Can See Everything,” Fielder and Holmes look decidedly comfortable with one another.
From Salon ● Oct. 17, 2026
When I open the door again, Emma is standing two inches away from my face, Oreo crumbs stuck to her cheeks.
From "South of Somewhere" by Kalena Miller
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Average loans and leases jumped 13.5% to $278.6 billion in the global wealth and investment management business, while in the consumer banking arm, average loans and leases inched up 0.2% to $321 billion.
From MarketWatch ● Oct. 14, 2026
Gold prices inched lower: New York futures were down 0.2% to $4,209.50 a troy ounce.
From The Wall Street Journal ● Oct. 12, 2026
The Broncos tied the score after making the defensive stop, then inched away with two drives that ended with field goals.
From Los Angeles Times ● Oct. 11, 2026
Retail sales in the eurozone inched higher in August, despite automotive fuel sales slipping as oil prices once again gained ground in the month.
From The Wall Street Journal ● Oct. 6, 2026
The stop sign on the side of the bus inched its way into place, struggling to push past the uncompromising air.
From "Breadcrumbs" by Anne Ursu
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Heading into Wednesday, stocks had effectively treaded water in the six weeks since the Fed’s previous meeting, with the S&P 500 inching up 0.7% over that span.
From The Wall Street Journal ● Oct. 28, 2026
Case in point: Micron’s stock was choppy in early Wednesday trade, rising as much as 3.6% before briefly turning negative and then inching back into the black.
From MarketWatch ● Oct. 21, 2026
Camarillo hit 99 degrees, inching past the previous record of 98 degrees set in 1953.
From Los Angeles Times ● Oct. 5, 2026
AMD was inching higher after announcing an $8.2 billion deal to buy World Labs, with other chip stocks gaining.
From Barron's ● Sep. 29, 2026
I ask, inching farther away from the door.
From "They Both Die at the End" by Adam Silvera
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Get a wordDefinitions 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.