Formal:
* Worldwide: This is the most common and formal option.
* Global: This emphasizes the worldwide scope.
* International: This specifically focuses on interactions between nations.
* Universal: This suggests something that applies to everyone everywhere.
Informal:
* Across the globe: This is more descriptive and has a slightly poetic tone.
* Around the world: This is a more simple and common way to describe something happening everywhere.
* Planet-wide: This emphasizes the global nature of something.
Other options:
* Pan-: This prefix is often used to indicate something that affects or includes the whole of a particular region, such as "Pan-European" or "Pan-African."
* Cosmo-: This prefix refers to the universe or cosmos, and could be used in contexts where the scope is truly global.
The best option for you will depend on the specific context of your writing or speech.