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Definition of mainland
mainland
/ˈmeɪn.lænd/
main · land
Plural:mainlands
mainland Lexical Profile
CEFR
B1
Grade
5
Tier
2
Usage
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• adjective
1
Belonging to or characteristic of the principal landmass of a country or continent, as opposed to an island.
Example
"The researchers found that the coastal bird species differ significantly from their mainland relatives."
Synonyms
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1
The principal landmass of a continent or country, excluding adjacent islands and peninsulas.
Example
"After a relaxing week on the remote island, we took a ferry back to the mainland to catch our flight home."
Synonyms
View all synonyms for mainland Antonyms
View all antonyms for mainlandWord Origin & Etymology
From Middle English 'maynland', combining 'main' (principal, chief) and 'land'.
Cite this Entry
Wordmom. (2026). Definition of Mainland. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/mainland