expand
🇺🇸
/ɪkˈspænd/
🇬🇧
/ɪkˈspænd/
to grow bigger or make something bigger
The balloon will expand when you blow air into it.
to make a business bigger by opening new places or making more money
The company wants to expand into new countries next year.
to say more about something or give more details
Could you expand on that idea? I want to understand it better.