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interregional

British  
/ ˌɪntəˈriːdʒənəl /

adjective

  1. of, relating to, or conducted between two or more regions

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

Connections between regions wither and the brain increasingly relies on individual regions and a small number of highly-used interregional pathways.

From The Wall Street Journal • Dec. 23, 2025

Moscow's interregional transport prosecutor's office said an investigation had been launched.

From BBC • May 31, 2025

“The Uluburun ship represented long-distance interregional elite exchange, and the Cape Gelidonya ship was involved in local coastal cabotage, or opportunistic trade, where goods and services were purchased and sold at ports for quick profit.”

From New York Times • Jun. 20, 2024

What's more, researchers are increasingly realizing that these interregional connections, and the circuits that they create, are important for many of the brain functions that define us as humans.

From Science Daily • Apr. 10, 2024

How are our dynamic and constantly changing interplanetary and interregional space lanes to be maintained?

From The Universe — or Nothing by Moldeven, Meyer