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noun Also called, especially British, land·slip [land-slip] /ˈlændˌslɪp/ (for defs 1, 2).
  1. the downward falling or sliding of a mass of soil, detritus, or rock on or from a steep slope.
  2. the mass itself.
  3. an election in which a particular victorious candidate or party receives an overwhelming mass or majority of votes: the 1936 landslide for Roosevelt.
  4. any overwhelming victory: She won the contest by a landslide.
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verb (used without object), land·slid, land·slid or land·slid·den, land·slid·ing.
  1. to come down in or as in a landslide.
  2. to win an election by an overwhelming majority.
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Origin of landslide

An Americanism dating back to 1830–40; land + slide
Can be confusedavalanche landslide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for landslide

avalanche, mudslide, advantage, win, conquest, overthrow, sweep, killing, superiority, defeat, triumph, snowslide

Examples from the Web for landslide

Contemporary Examples of landslide

Historical Examples of landslide

British Dictionary definitions for landslide


  1. Also called: landslip
    1. the sliding of a large mass of rock material, soil, etc, down the side of a mountain or cliff
    2. the material dislodged in this way
    1. an overwhelming electoral victory
    2. (as modifier)a landslide win
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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

Word Origin and History for landslide


1856, American English, from land (n.) + slide (n.). Earlier was landslip, still preferred in Britain. Old English used eorðgebyrst in this sense; literally "earth-burst." In the political sense, landslide "lopsided electoral victory" is attested from 1888.

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Online Etymology Dictionary, © 2010 Douglas Harper

landslide in Science


  1. The rapid downward sliding of a mass of earth and rock. Landslides usually move over a confined area. Many kinds of events can trigger a landslide, such as the oversteepening of slopes by erosion associated with rivers, glaciers, or ocean waves; heavy snowmelt which saturates soil and rock; or earthquakes that lead to the failure of weak slopes.
  2. The mass of soil and rock that moves in this way.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.