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Synonyms

mainland

1 American  
[meyn-land, -luhnd] / ˈmeɪnˌlænd, -lənd /

noun

  1. the principal land of a country, region, etc., as distinguished from adjacent islands or a peninsula.

    the mainland of Greece.

  2. any part of or all of the continental United States or conterminous United States, especially from the perspective of someone in a geographically detached U.S. state or territory, such as Hawaii or Guam.

    I’m not sure where on the mainland Jasmine went to college, but it may have been Milwaukee.


Mainland 2 American  
[meyn-land, -luhnd] / ˈmeɪnˌlænd, -lənd /

noun

  1. the largest of the Shetland Islands. About 200 sq. mi. (520 sq. km).

  2. Pomona.


Mainland 1 British  
/ ˈmeɪnlənd /

noun

  1. an island off N Scotland: the largest of the Shetland Islands. Chief town: Lerwick. Pop: 17 550 (2001). Area: about 583 sq km (225 sq miles)

  2. Also called: Pomona.  an island off N Scotland: the largest of the Orkney Islands. Chief town: Kirkwall. Pop: 15 315 (2001). Area: 492 sq km (190 sq miles)

  3. a South Islanders' name for South Island

"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

mainland 2 British  
/ ˈmeɪnlənd /

noun

  1. the main part of a land mass as opposed to an island or peninsula

  2. a particular landmass as viewed from a nearby island with which it has close links, such as Great Britain as viewed from Northern Ireland or continental Australia as viewed from Tasmania

"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

Other Word Forms

  • mainlander noun

Etymology

Origin of mainland

First recorded in 1325–75; Middle English; main 1, land

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.

Seizing Kharg Island and the islands near the mainland would require an amphibious landing on a contested shoreline, among “the hardest operations” a military can attempt, and one that Iran is almost certainly prepared for.

From Salon • Apr. 3, 2026

Closer to Dubai than to the Iranian mainland, Abu Musa was a British protectorate along with seven emirates that are today the United Arab Emirates.

From The Wall Street Journal • Apr. 2, 2026

The other two are in Sardinia, and are earmarked for closure in 2028-2029, once the island is electrically linked to the mainland via a new submarine cable.

From Barron's • Mar. 31, 2026

The surplus boxes, which arrived at the weekend, would normally have been returned to the mainland but high winds and subsequent ferry disruption meant this was not possible.

From BBC • Mar. 30, 2026

“There,” he finally said, pointing at the water tower that served the residents of St. Catherine’s Island, the first and the largest of the sea islands separating Ravenel from the mainland.

From "The Great Santini" by Pat Conroy