1. extending throughout an entire nation

1. throughout an entire nation

Examples

• The company launched a nationwide advertising campaign.
• The new policy will be implemented nationwide next month.
• There was nationwide coverage of the presidential election.
• The store chain operates nationwide with over 500 locations.
• The product recall was announced nationwide on television.
• Sales increased nationwide after the marketing push.
• The survey was conducted nationwide among 10,000 participants.