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

The memoir details her upbringing in Florida, Texas and the tri-state area around New York City, as well as her early experiences with religion, including what she describes as an encounter with God.

From Los Angeles Times • Oct. 22, 2024

The tremors were felt in the surrounding tri-state area, including New York City, and as far away as the coasts of Maryland and Maine.

From Slate • Apr. 5, 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

“I know, so lame. Want to know how many older model black Civics there are in the tri-state area?”

From "Burning Blue" by Paul Griffin

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