DictionaryworldEarth or inhabited realm
noun

world

The earth, or a particular realm of life or activity.

Blue oceans and vast continents cover the surface of our world.

A single recognizable planet Earth, with blue oceans, geographically coherent continents and light cloud swirls, presents the inhabited world as a whole.
Etymology

The Old English word originally combines ideas of human life and age. It broadened from the human realm to the earth and to particular fields of activity.

In context

Miacademy & MiaPrep Learning Channel0:36
when we talk about the world we were talking about the people plants and animals that all live here we're also talking about the land and the bodies of water
World Geography Made Easy

More examples

  • She knows everyone in the world of fashion.
  • School is a big part of his world.
  • The novel imagines distant worlds where intelligent creatures live.

Forms

world · worlds

worldwide adjective — Extending or occurring throughout the world.

Similar words

earth
Earth names our specific planet, not a social sphere.
planet
Planet identifies an astronomical body without implying life exists there.
realm
Realm emphasizes a distinct area of activity or experience.