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What is the world's largest desert?

desert

1 American  
[dez-ert] / ˈdɛz ərt /

noun

  1. An image of the word desert as defined by a region so arid because of little rainfall that it supports only sparse and widely spaced vegetation or no vegetation at all.

    a region so arid because of little rainfall that it supports only sparse and widely spaced vegetation or no vegetation at all.

    The Sahara is a vast sandy desert.

    Synonyms:
    wasteland, waste
  2. any area in which few forms of life can exist because of lack of water, permanent frost, or absence of soil.

    Synonyms:
    wasteland
  3. an area of the ocean in which it is believed no marine life exists.

  4. (formerly) any unsettled area between the Mississippi and the Rocky Mountains thought to be unsuitable for human habitation.

  5. any place lacking in something.

    The town was a cultural desert.

    Synonyms:
    wasteland

adjective

  1. of, relating to, or like a desert.

    a desert landscape.

    Synonyms:
    arid, infertile, barren, desolate
  2. occurring, living, or flourishing in the desert.

    a desert tribe; a desert palm.

  3. designed or suitable for wear in the desert, as cool, protective clothing.

    a big, wide-brimmed desert hat.

desert 2 American  
[dih-zurt] / dɪˈzɜrt /

verb (used with object)

  • deserts,
    present (3rd person singular)
  • deserted,
    past participle,  past
  • deserting
    present participle
  1. to leave (a person, place, etc.) without intending to return, especially in violation of a duty, promise, or the like.

    He deserted his wife.

    Synonyms:
    forsake, quit, leave, abandon
  2. (of military personnel) to leave or run away from (service, duty, etc.) with the intention of never returning.

    Terrified of the approaching battle, he deserted his post just before dawn.

  3. to fail (someone) at a time of need.

    None of his friends had deserted him.


verb (used without object)

  • deserts,
    present (3rd person singular)
  • deserted,
    past participle,  past
  • deserting
    present participle
  1. to forsake or leave one's duty, obligations, etc. (sometimes followed by from, to, etc.).

    Many deserted during the food shortage.

    Synonyms:
    resign, abdicate
  2. (of military personnel) to leave service, duty, etc., with no intention of returning.

    Troops were deserting to the enemy.

    Synonyms:
    go AWOL
desert 3 American  
[dih-zurt] / dɪˈzɜrt /

noun

  1. Usually deserts reward or punishment that is deserved.

    Death was his desert.

    Synonyms:
    justice, reward, recompense, payment, due, penalty, retribution, retaliation
  2. the state or fact of deserving reward or punishment.

  3. the state or condition of being worthy, as in character or behavior.

    Synonyms:
    worth, virtue, merit

idioms

  1. get / receive / etc. one's (just) deserts, to be punished or rewarded in a manner appropriate to one's actions or behavior.

    Some people felt he had gotten his just deserts, having been imprisoned and relieved of his ill-gotten gains, but others would have preferred old-style public flogging, followed by drawing and quartering, and who can blame them?

desert 1 British  
/ ˈdɛzət /

noun

  1. a region that is devoid or almost devoid of vegetation, esp because of low rainfall

  2. an uncultivated uninhabited region

  3. a place which lacks some desirable feature or quality

    a cultural desert

  4. (modifier) of, relating to, or like a desert; infertile or desolate

"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

desert 2 British  
/ dɪˈzɜːt /

verb

  1. (tr) to leave or abandon (a person, place, etc) without intending to return, esp in violation of a duty, promise, or obligation

  2. military to abscond from (a post or duty) with no intention of returning

  3. (tr) to fail (someone) in time of need

    his good humour temporarily deserted him

  4. (tr) Scots law to give up or postpone (a case or charge)

"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

desert 3 British  
/ dɪˈzɜːt /

noun

  1. (often plural) something that is deserved or merited; just reward or punishment

  2. the state of deserving a reward or punishment

  3. virtue or merit

"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

desert Scientific  
/ dĕz′ərt /
  1. A large, dry, barren region, usually having sandy or rocky soil and little or no vegetation. Water lost to evaporation and transpiration in a desert exceeds the amount of precipitation; most deserts average less than 25 cm (9.75 inches) of precipitation each year, concentrated in short local bursts. Deserts cover about one fifth of the Earth's surface, with the principal warm deserts located mainly along the Tropic of Cancer and the Tropic of Capricorn, where warm, rising equatorial air masses that have already lost most of their moisture descend over the subtropical regions. Cool deserts are located at higher elevations in the temperate regions, often on the lee side of a barrier mountain range where the prevailing winds drop their moisture before crossing the range.


desert More Idioms  

    More idioms and phrases containing desert


Synonym Usage

Desert, waste, wilderness refer to areas that are largely uninhabited. Desert emphasizes lack of water (though not specifically high temperature); it refers to a dry, barren, treeless region, usually sandy: a high-altitude frozen desert. Waste emphasizes lack of inhabitants and of cultivation; it is used of wild, barren land: a desolate waste. Wilderness emphasizes the difficulty of finding one's way, whether because of barrenness or of dense vegetation: a trackless wilderness.

Desert, abandon, forsake mean to leave behind persons, places, or things. Desert implies intentionally violating an oath, formal obligation, or duty: to desert campaign pledges. Abandon suggests giving up wholly and finally, whether of necessity, unwillingly, or through shirking responsibilities: to abandon a hopeless task; abandon a child. Forsake has emotional connotations, since it implies violating obligations of affection or association: to forsake a noble cause.

Desert, merit, worth refer to the quality in a person, action, or thing that entitles recognition, especially favorable recognition. Desert is the quality that entitles one to a just reward: according to her deserts. Merit is usually the excellence that entitles to praise: a person of great merit. Worth is always used in a favorable sense and signifies inherent value or goodness: The worth of your contribution is incalculable.

Closer Look

A desert is defined not by temperature but by the sparse amount of water found in a region. An area with an annual rainfall of fewer than 25 centimeters (9.75 inches) generally qualifies as a desert. In spite of the dryness, however, some animals and plants have adapted to desert life and thrive in these harsh environments. While different animals live in different types of deserts, the dominant animals of warm deserts are reptiles, including snakes and lizards, small mammals, such as ground squirrels and mice, and arthropods, such as scorpions and beetles. These animals are usually nocturnal, spending the day resting in the shade of plants or burrowed in the ground, and emerging in the evenings to hunt or eat. Warm-desert plants are mainly ground-hugging shrubs, small wooded trees, and cacti. Plant and animal life is scarcer in the cool desert, where the precipitation falls mainly as snow. Plants are generally scattered mosses and grasses that are able to survive the cold by remaining low to the ground, avoiding the wind, and animal life can include both large and small mammals, such as deer and jackrabbits, as well as a variety of raptors and other birds.

Other Word Forms

Derived Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future


Etymology

Origin of desert1

First recorded in 1250–1300; Middle English adjective desert, deserd, diserte “barren, unproductive, dried up (lake), deserted (city),” from Anglo-French, Old French des(s)ert “uncultivated; without inhabitants,” from Late Latin dēsertum (neuter), noun use of past participle of Latin dēserere “to abandon, forsake,” equivalent to dē- prefix meaning “from, away from, out of ” + serere “to join together (in a line)”; see origin at de-, series

Origin of desert2

First recorded in 1470–80; from Middle French déserter, from Medieval Latin dēsertāre “to desert; lay waste,” frequentative of Latin dēserere “to part company, leave, forsake,” literally “to undo the links,” equivalent to dē- prefix meaning “from, away from” + serere “to link together, entwine, interlace”; see also desert 1

Origin of desert3

First recorded in 1275–1325; Middle English noun desert, deseert, decert(e), from Old French deserte, noun use of feminine past participle of deservir “to serve devotedly”; see origin at deserve


Explanation

A desert is a very dry area of land where few plants and animals can live. If you find yourself stranded in the middle of the desert, you'll have no company except for the occasional lizard or scorpion. Desert comes from the Latin desertus, for abandoned or lying in waste. This can refer to a vast sandy area without vegetation, or any empty, lifeless expanse. As a verb, it means to leave someone or something. A soldier who runs away from the army is called a deserter. Occasionally you'll hear someone say, "He got his just deserts," which doesn't have anything to do with abandonment; it means he got what he deserved.

Keep Reading on Vocabulary.com

Vocabulary lists containing desert

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.

See Examples For:

It comes after years of financial struggles for the 188-year-old retailer - known locally as DJs - as customers desert traditional shops for online shopping.

From BBC ● Nov. 5, 2026

The world's first US-born pontiff, who holds Peruvian citizenship, will celebrate mass on a desert plain near the Pacific Ocean, before visiting Cusco, the former Inca capital, and Pucallpa, a city in the Amazon rainforest.

From Barron's ● Nov. 1, 2026

Can America’s cheapest electric vehicle survive the charging desert of the Deep South?

From The Wall Street Journal ● Oct. 29, 2026

As an archaeologist specializing in desert sites, this was a singular experience.

From Science Daily ● Oct. 26, 2026

It was dusk, but the desert stones still sizzled from the daytime sun.

From "The Many Assassinations of Samir, the Seller of Dreams" by Daniel Nayeri

By the time he swum back across the English Channel on 5 October, Bushby, now 57, had crossed four continents, a frozen sea, deserts, mountains and jungles.

From BBC ● Nov. 1, 2026

This diversity is driven by diverse habitats: harsh deserts, vast grasslands, dense forests, towering mountains, lush coastlines and teeming seas.

From Science Daily ● Oct. 13, 2026

Last year, Northwestern University identified over 212 counties out of some 3,000 in the United States as "news deserts," having no locally-based news sources such as newspapers and public radio.

From Barron's ● Sep. 28, 2026

Julian joins the Air Force out of boredom and deserts for the same reason.

From The Wall Street Journal ● Aug. 28, 2026

Those mountains are in proximity to gentle lowlands with rivers, flood plains, and deserts suitable for irrigation agriculture.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

Both of those have completely deserted him during the early stages of 2026.

From The Wall Street Journal ● Oct. 1, 2026

Aberdonians had long deserted the High Street for a shopping centre, which opened in 2009 next to the railway station.

From BBC ● Sep. 27, 2026

But this isn’t just a deserted patch of sand.

From MarketWatch ● Sep. 1, 2026

He has strained his eyes writing stories in the dark in a deserted gym.

From Los Angeles Times ● Aug. 23, 2026

But all the same, the place did look strangely deserted.

From "An Elephant in the Garden" by Michael Morpurgo

But a major reason for voters deserting the party in past elections was inflation, an unwelcome phenomenon for households after several decades of stable or falling prices.

From Barron's ● Feb. 9, 2026

But the Syrian army collapsed with surprising ease, with many troops deserting the battlefield, in the face of the HTS rebels’ onslaught.

From Slate ● Dec. 5, 2024

He treats his troops abominably, whether he’s deserting them in Egypt, condemning them to a death march through a Russian winter or sending them into the hopeless onslaught of Waterloo.

From Los Angeles Times ● Nov. 22, 2023

“And the moms that we help — I can’t imagine deserting any of them.”

From Seattle Times ● Sep. 1, 2023

There are thirty-six other deserting souls on this little boat with me.

From "Krik? Krak!" by Edwidge Danticat

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