This is the 517th most frequent Portuguese word.
mundial
"Worldwide" or "global."
Here, 'mundial' describes something that pertains to the world as a whole, emphasizing a concept involving all nations.
A paz mundial é importante para todos os países.
World peace is important for all countries.
In this usage, 'mundial' qualifies a competition or event as being on a global scale or level.
A equipe ganhou o campeonato mundial de futebol.
The team won the world football championship.
Here, 'mundial' indicates that the mentioned challenge affects or concerns the entire world.