1. of, relating to, or consisting of an archipelago or group of islands
Usage: formal; geographical
2. relating to or denoting the waters and airspace surrounding an archipelago, especially in international law
Usage: legal; nautical

Examples

• The archipelagic nation of Indonesia spans thousands of islands across the Indian and Pacific Oceans.
• Archipelagic waters are subject to special maritime laws and regulations.
• The Philippines has a rich archipelagic culture shaped by its island geography.
• Archipelagic states have unique challenges in managing their territorial boundaries.
• The archipelagic landscape of the Caribbean attracts millions of tourists each year.
• Archipelagic navigation requires detailed knowledge of local currents and reefs.