world
n. C / Un. the planet we live on, including all the people, countries, and nature. It can also mean a specific area of interest, like the world of music.
n. the earth, together with all of its countries and peoples; alternatively, a specific sphere of human activity or experience.
I want to travel around the world.
The internet has changed the way people all over the world communicate with each other.
Environmental scientists warn that global cooperation is essential to protect the world's biodiversity from the accelerating effects of climate change.
Etymology tree Proto-Indo-European *weyh₁-? Proto-Indo-European *wiHrós Proto-Germanic *weraz Proto-Indo-European *h₂el- Proto-Indo-European *h₂életi Proto-Germanic *alaną Proto-Indo-European *-tis Proto-Germanic *-þiz Proto-Germanic *aldiz Proto-Germanic *weraldiz Proto-West Germanic *weraldi Old English weorold Middle English world English world From Middle English world, from Old English weorold (“world”), from Proto-West Germanic weraldi, from Proto-Germanic weraldiz (“lifetime, human existence, world”, literally “age/era of man”), equivalent to wer (“man”) + eld (“age”). Eclipsed non-native Middle English mounde (“world”), from Old French monde, munde (“world”). Cognates Cognate with Scots warld (“world”), North Frisian Wārel, wäält, wråål (“world”), Saterland Frisian Waareld (“world”), West Frisian wrâld (“world”), Afrikaans wêreld (“world”), Bavarian Wöd (“world”), Dutch wereld (“world”), German, Luxembourgish Welt (“world”), German Low German Wereld, Werld (“world”), Vilamovian wełt (“world”), Yiddish וועלט (velt, “world”), Danish verden (“world”), Elfdalian wärd (“world”), Faroese verð, verøld (“world”), Icelandic veröld (“world”), Norn vrildan (“the earth”), Norwegian Bokmål verd, verden (“(the) world”), Norwegian Nynorsk verd (“world”), Swedish värld (“world”).
Usually takes the definite article 'the' when referring to the planet. When used to describe a specific field, it often follows the pattern 'the world of [noun]'.