20-letter words containing s, w, i, a
- weights and measures — units or standards of measurement
- western civilization — European culture, thought
- western india states — a former association of states in W India, largely on Kathiawar Peninsula.
- western mountain ash — a mountain ash, Sorbus sitchensis, of western North America.
- western roman empire — the westernmost of the two empires created by the division of the later Roman Empire, esp after its final severance from the Eastern Roman Empire (395 ad)
- westminster assembly — a convocation that met at Westminster, London, 1643–49, and formulated the articles of faith (Westminster Confession of Faith) that are accepted as authoritative by most Presbyterian churches.
- white bush (scallop) — a variety of summer squash having a saucer-shaped white fruit, scalloped around the edges
- white elephant stall — a stall, usually at a fete or fundraising event, where unwanted possessions are sold
- whole-life insurance — a type of insurance with a savings element that is guaranteed to pay out on death provided premiums have been paid as required by the policy
- whyte classification — a system for classifying steam locomotives according to the total number of wheels on the front trucks, drivers, and rear trucks, in that order. For example, a Pacific locomotive is designated as 4-6-2.
- william westmoreland — William Childs [chahyldz] /tʃaɪldz/ (Show IPA), 1914–2005, U.S. army officer: commander of U.S. forces in Vietnam and Thailand 1964–68.
- wilson cloud chamber — cloud chamber.
- winter olympic games — an international contest of winter sports, esp skiing, held every four years
- wipe the slate clean — begin afresh
- with a grain of salt — to season with salt.
- with a pinch of salt — without wholly believing; sceptically
- with all due respect — despite my regard for you
- with all one's heart — Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body.
- with all one's might — If you do something with all your might, you do it using all your strength and energy.
- woman of easy virtue — a sexually available woman, esp a prostitute
- woolsorters' disease — pulmonary anthrax in humans, caused by inhaling the spores of Bacillus anthracis, which may contaminate wool fleece.
- worcestershire sauce — a sharp sauce made with soy, vinegar, spices, etc., originally made in Worcester, England.
- working relationship — a relationship with a colleague, boss or employee
- yu-shiang whole fish — /yoo-shyang hohl fish/ An obsolete name for the Greek character gamma (extended SAIL ASCII code 9, Unicode glyph 0x0263) which with a loop in its tail looks like a little fish swimming down the page. The term is actually the name of a Chinese dish in which a fish is cooked whole (not parsed) and covered with Yu-Shiang (or Yu-Hsiang) sauce. Used primarily by people on the MIT LISP Machine, which could display this character on the screen. Tends to elicit incredulity from people who hear about it second-hand.