Meaning of “world” - Learner’s Dictionary


noun uk us /wɜːld/
the world

A1 the Earth and all the people, places, and things on it:

Everest is the highest mountain in the world.
She's travelled all over the world.

B1 [ C ] the people and things that are involved in a particular activity or subject:

the world of politics
the developing/industrialized/Western, etc world

a particular area of the Earth

the plant/animal, etc world
your world

A2 your life and experiences:

His whole world fell apart when she left.
→ See also have the best of both worlds , not be the end of the world , the Old World , the outside world , the Third World , be on top of the world , do sb a/the world of good , be out of this world , think the world of sb , the whole world

(Definition of “world noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)