inside
Americanpreposition
adverb
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in or into the inner part.
Please go inside.
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They play inside on rainy days.
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within one's heart, reason, etc.; by true nature; fundamentally.
I know inside that he's not guilty.
Inside, she's really very shy.
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Slang. in prison.
noun
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the inner or internal part; interior.
the inside of the house.
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the inner side or surface: He pinned the money to the inside of his jacket.
the inside of the hand;
He pinned the money to the inside of his jacket.
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a select or inner circle of power, prestige, etc..
a man on the inside.
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the shortest of several parallel, curving tracks or lanes; the part of an oval track closest to the inner rail.
The horse came up fast on the inside.
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the inward nature, mind, feelings, etc.
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Slang. confidential or secret information.
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an inside passenger or place in a coach, carriage, etc.
adjective
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situated or being on or in the inside; interior; internal.
an inside seat.
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acting, employed, done, or originating within a building or place.
He used to work on the dock but now he has an inside job.
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derived from the inner circle of those concerned in and having private knowledge of a situation.
inside information.
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Baseball. (of a pitched ball) passing between home plate and the batter.
The pitch was low and inside.
idioms
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inside of, within the space or period of.
Our car broke down again inside of a mile.
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inside out,
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with the inner side reversed to face the outside.
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She knew the work inside out.
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noun
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the interior; inner or enclosed part or surface
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the side of a path away from the road or adjacent to a wall
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informal (also plural) the internal organs of the body, esp the stomach and bowels
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in a period of time less than; within
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with the inside facing outwards
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to know something thoroughly or perfectly
preposition
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012adjective
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on or of an interior; on the inside
an inside door
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(prenominal) arranged or provided by someone within an organization or building, esp illicitly
the raid was an inside job
inside information
adverb
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within or to within a thing or place; indoors
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by nature; fundamentally
inside, he's a good chap
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slang in or into prison
Usage
What does inside mean? Inside means on the inner side of something, such as a box or your refrigerator. Inside designates physical space, like the interior of a book, but it can also be used in situations about time. If your teacher tells the class that you need to finish the test inside of an hour, they mean you need to finish it in less than, or within, an hour. When the hour has gone by, you have to be done the test.Inside can be used to mean indoors, as in Because it rained, we were stuck inside during our vacation.Inside can also be used to describe the position of something. For example, an inside wall refers to the face of a wall that faces the interior of a building.The inside of something is its interior. The inside of a house is the interior, while your insides is everything beneath the skin, such as your skeleton and organs.Example: The inside of the building was sleek and modern, while the outside looked like an old church.
Related Words
Inside, interior both refer to the inner part or space within something. Inside is a common word, and is used with reference to things of any size, small or large: the inside of a pocket. Interior, somewhat more formal, denotes the inner part or the space or regions within; it usually suggests considerable size or extent, and sometimes a richness of decoration: the interior of a country, of the earth, of a cathedral.
Etymology
Origin of inside
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.
Bryan moved out of the way, and no one inside the car was injured.
From Los Angeles Times
The Kremlin would also get the inside track on lucrative mining concessions in Sudan, the third-largest gold producer in Africa.
Beyond the major AI powers of the U.S. and China, the spending on tech infrastructure mainly benefits a few regions already inside the specialized AI supply chain.
"But now we have the clearest evidence yet that it's not the oil itself, or even linoleic acid. It's what the fat turns into inside the body."
From Science Daily
"Our children are not safe even inside the house," one resident said.
From Barron's
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.