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English definition of “inside”

inside

noun  /ɪnˈsɑɪd, ˈɪnˌsɑɪd/ us  

inside noun (INNER PART)

the inner part, space, or side of (something): [U] the inside of a car [U] the inside of your wrist infml Your insides are your stomach and other digestive organs.
Idioms

inside

preposition, adjective, adverb [not gradable]  /ɪnˈsɑɪd, ˈɪn·sɑɪd/ us  

inside preposition, adjective, adverb [not gradable] (IN INNER PART)

in or into a room, building, container, or something similar: What’s inside the big box? I’ll work inside and you work outside. People inside (= working for) the White House get an us versus them mentality. If you get inside an idea or someone’s mind, you understand the idea or the person: He tried to get inside her mind. inside of If you do something inside of a particular time, you do it using slightly less than that amout of time: I should be back inside of two hours.
(Definition of inside noun, preposition, adjective, adverb from the Cambridge Academic Content Dictionary © Cambridge University Press)
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