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isthmus Antonyms

Opposite of isthmus

Looking for antonyms for isthmus? Sourced from our comprehensive thesaurus, here is a list of opposite words and the exact opposite of isthmus, organized by relevance and context.
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• noun (Context 1)

A relatively narrow strip of land, bordered on both sides by water, that connects two larger landmasses.

Usage Example

"The strait of Panama connects North and South America while separating the Atlantic and Pacific Oceans."

Strongest
strait

Similar words to isthmus

Looking for synonyms? Words similar to isthmus vary depending on the context. Here are a few common synonyms:

neck
connection
See all synonyms of isthmus

• Nearby Words

isotoma
israel
istanbul
isthmus
itajai
itajaí
italy

Cite this Entry

Wordmom. (2026). Antonyms for Isthmus. In Wordmom Thesaurus. Retrieved Oct 12, 2026, from https://wordmom.com/antonyms/isthmus
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