Definitions of world:

• noun:   all of your experiences that determine how things appear to you

  Example: "His world was shattered"

• noun:   all of the inhabitants of the earth

  Example: "All the world loves a lover"

• noun:   people in general; especially a distinctive group of people with some shared interest

  Example: "The Western world"

• noun:   a part of the earth that can be considered separately

  Example: "The outdoor world"

• noun:   the 3rd planet from the sun; the planet on which we live

  Example: "He sailed around the world"

• noun:   the concerns of the world as distinguished from heaven and the afterlife

  Example: "They consider the church to be independent of the world"

• noun:   people in general considered as a whole
• noun:   everything that exists anywhere
• name:  A surname (very rare: popularity rank in the U.S.: #24081)