1. (noun)universe, existence, creation, world, cosmos, macrocosm everything that exists anywhere
"they study the evolution of the universe"; "the biggest tree in existence"
2. (noun)world, domain people in general; especially a distinctive group of people with some shared interest
"the Western world"
3. (noun)world, reality all of your experiences that determine how things appear to you
"his world was shattered"; "we live in different worlds"; "for them demons were as much a part of reality as trees were"
4. (noun)Earth, earth, world, globe the 3rd planet from the sun; the planet we live on
"the Earth moves around the sun"; "he sailed around the world"
5. (noun)populace, public, world people in general considered as a whole
"he is a hero in the eyes of the public"
6. (noun)world a part of the earth that can be considered separately
"the outdoor world"; "the world of insects"
7. (noun)worldly concern, earthly concern, world, earth the concerns of this life as distinguished from heaven and the afterlife
"they consider the church to be independent of the world"
8. (noun)world, human race, humanity, humankind, human beings, humans, mankind, man all of the living human inhabitants of the earth
"all the world loves a lover"; "she always used `humankind' because `mankind' seemed to slight the women"
9. (adj)global, planetary, world(a), worldwide, world-wide involving the entire earth; not limited or provincial in scope
"global war"; "global monetary policy"; "neither national nor continental but planetary"; "a world crisis"; "of worldwide significance"