1. involving or relating to two states, especially two U.S. states
Usage: commonly used in political and geographical contexts

Examples

• The bistate commission was formed to manage water resources shared by the two neighboring states.
• A bistate agreement was reached to improve transportation infrastructure across the border.
• The bistate region experiences unique challenges due to different state regulations.
• Environmental groups advocated for a bistate approach to pollution control.
• The bistate task force included representatives from both state governments.