Contiguous/kənˈtɪɡjuəs/ Definition 1 of 2Pro Tip 1/3Geographical Use Commonly used for areas of land that are touching or share a border. The contiguous United States exclude Hawaii and Alaska. Pro Tip 2/3Physical Touch Implies actual physical contact, not just proximity. The playground is contiguous with the school building. Pro Tip 3/3Shared Properties May suggest shared characteristics or seamless connection between adjacent objects. The contiguous forest zones have similar ecosystems.