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  • southwest
    southwest
    noun
    the point or direction midway between south and west. SW
  • Southwest
    Southwest
    noun
    the southwestern part of Britain, esp Cornwall, Devon, and Somerset

southwest

American  
[south-west, sou-west] / ˌsaʊθˈwɛst, ˌsaʊˈwɛst /

noun

  1. the point or direction midway between south and west. SW

  2. a region in this direction.

  3. the Southwest, the southwest region of the United States.


adjective

  1. lying toward, situated in, or directed toward the southwest.

  2. coming from the southwest, as a wind.

adverb

  1. in the direction midway between south and west.

southwest 1 British  
/ ˌsaʊˈwɛst, ˌsaʊθˈwɛst /

noun

  1. the point of the compass or the direction midway between west and south, 225° clockwise from north

  2. any area lying in or towards this direction

"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

adjective

  1. (sometimes capital) of or denoting the southwestern part of a specified country, area, etc

    southwest Italy

  2. situated in or towards the southwest

  3. (esp of the wind) from the southwest

"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

adverb

  1. in, to, towards, or (esp of the wind) from the southwest

"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
Southwest 2 British  
/ ˌsaʊθˈwɛst /

noun

  1. the southwestern part of Britain, esp Cornwall, Devon, and Somerset

"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

Derived Forms

Etymology

Origin of southwest

before 900; Middle English; Old English sūthwest. See south, west

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.

Southwest is also up 24% over the same period.

From Barron's • Jun. 8, 2026

Wind advisories have been issued for areas across the Santa Barbara Southwest Coast through the I-5 Corridor between Monday night and early Tuesday morning, according to the weather service.

From Los Angeles Times • Jun. 8, 2026

If the ticket gets cheaper later, some carriers, including American, United, Delta and Southwest, may give you the difference in the form of a credit.

From MarketWatch • May 19, 2026

The river is a major water source for Southern California and much of the Southwest, but its largest reservoirs, Lake Mead and Lake Powell, are severely depleted and their levels continue to drop.

From Los Angeles Times • May 15, 2026

In Egypt as well, food production began in the sixth millennium B.C. with the arrival of Southwest Asian crops.

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

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