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English definition of “outside”

outside

adjective, adverb, preposition uk   /ˌaʊtˈsaɪd/ /ˈaʊt.saɪd/ us  
A1 not inside a building: It was a sunny day outside. Since it's such a nice day, let's eat/sit/go outside. an outside light/toilet C1 [before noun] coming from another place or organization: The company has called in outside experts. outside call/line a phone call or connection going outside the place where you are [before noun] the most that would be accepted or possible: The outside limit/figure would be £350.

outside

adverb, preposition uk   /ˌaʊtˈsaɪd/ us  
A2 not in a particular building or room, but near it: She sat for two hours on the floor outside his room. A2 not in a particular place: Nobody outside this room must ever know what we have discussed. not within or part of something: I'm afraid that would be outside my job description. outside of mainly US except for: Outside of us three, no one knows anything about the problem, yet.

outside

noun [C usually singular] uk   /ˌaʊtˈsaɪd/ /ˈaʊt.saɪd/ us  

outside noun [C usually singular] (OUTER PART)

B2 the outer part or side of something: The outside of the house needs painting. The house looks larger when looked at from the outside. The company needs to get help from outside (= from people who work for other organizations).
Compare

outside noun [C usually singular] (LARGEST AMOUNT)

at the outside used to say that an amount is the most possible in a situation: The job will take about ten days at the outside.

outside

adjective [before noun] uk   /ˈaʊt.saɪd/ us  
slight: There's still an outside chance/possibility that Scotland will get through into the World Cup.
(Definition of outside from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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