[south-west; Nautical sou-west]


the point or direction midway between south and west. Abbreviation: SW
a region in this direction.
the Southwest, the southwest region of the United States.


lying toward, situated in, or directed toward the southwest.
coming from the southwest, as a wind.


in the direction midway between south and west.

Origin of southwest

before 900; Middle English; Old English sūthwest. See south, west
Related formssouth·west·ern, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for southwestern

Contemporary Examples of southwestern

Historical Examples of southwestern

British Dictionary definitions for southwestern



the point of the compass or the direction midway between west and south, 225° clockwise from north
(often cap usually preceded by the) any area lying in or towards this direction

adjective Also: southwestern

(sometimes capital) of or denoting the southwestern part of a specified country, area, etcsouthwest Italy
situated in or towards the southwest
(esp of the wind) from the southwest


in, to, towards, or (esp of the wind) from the southwest
Symbol: SW
Derived Formssouthwesternmost, adjective



the Southwest 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

Word Origin and History for southwestern

Old English suðwesterne; see southwest + -ern. In reference to a section of the U.S., from 1806, when it meant "Mississippi and Alabama."



Old English suð-west; see south + west. As a noun from early 12c. Related: Southwester; southwesterly.

Online Etymology Dictionary, © 2010 Douglas Harper