1
: a native or inhabitant of an isthmus
2
Isthmian
: a native or inhabitant of the Isthmus of Panama
: of, relating to, or situated in or near an isthmus: such as
a
often Isthmian
: of or relating to the Isthmus of Corinth in Greece or the games held there in ancient times
b
often Isthmian
: of or relating to the Isthmus of Panama connecting the North American and South American continents
Examples of isthmian in a Sentence
Recent Examples on the Web
Nnamdi Onyeagwara, New York Times, 28 Apr. 2025
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Adjective
Saturday April 26, was the final day of the Isthmian Premier League season, the seventh tier of English football.
—Nnamdi Onyeagwara, New York Times, 28 Apr. 2025
Cite this Entry
“Isthmian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isthmian. Accessed 29 Apr. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
