tri-state

American  

[trahy-steyt] / ˈtraɪˌsteɪt /

Or tristate

adjective

1. of, relating to, or involving three adjoining states.

   a tri-state league.

2. of, relating to, or involving the region where three states adjoin.

   the historic tristate mining district of southwest Missouri, southeast Kansas, and northeast Oklahoma.

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Etymology

Origin of tri-state

First recorded in 1895–1900; tri- + state

Example Sentences

Building is still a nascent practice in the tri-state area.

From The Wall Street Journal • Mar. 19, 2026

Soliman is far from the only victim of ICE’s enforcement actions across the tri-state area, Ali told Salon.

From Salon • Jul. 22, 2025

The Clairton Sportsmen’s Club, on 180 acres south of Pittsburgh, bills itself as offering “one of the premier shooting facilities in the tri-state area” and has more than 2,000 members.

From Los Angeles Times • Jul. 14, 2024

In Ohio, the bedrock geology is such that thousands of homes are built on unstable clay soil that can be found on the hillsides all around the tri-state region.

From Seattle Times • Feb. 5, 2024

To be fair, the only other time I’ve left the greater Jankburg area was as a tag-along with my parents at Anthony’s biggest tri-state area game.

From "Better Nate Than Ever" by Tim Federle