inflate
🇺🇸
/ɪnˈfleɪt/
🇬🇧
/ɪnˈfleɪt/
to fill with air or gas
Inflate the balloon by blowing air into it.
to make something seem bigger or more important than it is
He tried to inflate his role in the project to impress his boss.
to increase prices or value
The company will inflate prices during the holiday season.