tri-state

American

[trahy-steyt] / ˈtraɪˌsteɪt /

Or tristate

adjective

of, relating to, or involving three adjoining states.

a tri-state league.
of, relating to, or involving the region where three states adjoin.

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

Etymology

Origin of tri-state

First recorded in 1895–1900; tri- + state

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

According to the PWHL’s newly launched account on X, the social media platform previously known as Twitter, the teams will be based in the New York tri-state area, Minnesota, Boston, Toronto, Montreal and Ottawa.

From Seattle Times • Aug. 28, 2023

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023