world - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “world”

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world

noun  us   /wɜrld/

world noun (THE EARTH)

[U] the planet on which human life has developed, esp. including all people and their ways of life: People from all over the world will be attending the conference. The rapid growth of computers has changed the world. [U] The world can also mean the whole physical universe: The world contains many solar systems, not just ours.

world noun (WHOLE AREA)

[C] all of a particular group or type of thing, such as countries or animals, or a whole area of human activity or understanding: the animal/plant world the business world the world of entertainment In the world of politics, the president’s voice is still the most powerful in the nation.

world noun (LARGE DEGREE)

[U] a large degree; a lot: There’s a world of difference between the two hotels.
(Definition of world from the Cambridge Academic Content Dictionary © Cambridge University Press)
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