15-letter words containing o, w, s
- sweep the board — (in gambling) to win all the cards or money
- sweet chocolate — cocoa product with high sugar content
- swing both ways — to enjoy sexual partners of both sexes
- swiss army code — (programming, humour) Code for an application that is suffering from feature creep. Swiss Army Code does many things, but does none of them well.
- sword swallower — performer who puts swords in throat
- sword-swallower — a performer who simulates the swallowing of swords
- symphony writer — a composer of an extended large-scale orchestral composition, usually with several movements, at least one of which is in sonata form
- synod of whitby — the synod held in 664 at Whitby at which the Roman date for Easter was accepted and the Church in England became aligned with Rome
- take one's word — a unit of language, consisting of one or more spoken sounds or their written representation, that functions as a principal carrier of meaning. Words are composed of one or more morphemes and are either the smallest units susceptible of independent use or consist of two or three such units combined under certain linking conditions, as with the loss of primary accent that distinguishes black·bird· from black· bird·. Words are usually separated by spaces in writing, and are distinguished phonologically, as by accent, in many languages.
- ten-weeks stock — a stock, Matthiola incana annua, of the mustard family, having spikes of white, lilac, or crimson flowers.
- thankworthiness — the state or quality of being thankworthy or deserving thanks
- the devil's own — a very difficult or problematic (thing)
- the lower ranks — people who have a low rank in a military organization
- the whole shoot — everything
- thorndike's law — the principle that all learnt behaviour is regulated by rewards and punishments, proposed by Edward Lee Thorndike (1874–1949), US psychologist
- titius-bode law — Bode's law.
- to cross swords — If you cross swords with someone, you disagree with them and argue with them about something.
- to sow gapeseed — to stare in a gaping manner instead of attending to business
- touch base with — the bottom support of anything; that on which a thing stands or rests: a metal base for the table.
- towers of hanoi — (games) A classic computer science problem, invented by Edouard Lucas in 1883, often used as an example of recursion. "In the great temple at Benares, says he, beneath the dome which marks the centre of the world, rests a brass plate in which are fixed three diamond needles, each a cubit high and as thick as the body of a bee. On one of these needles, at the creation, God placed sixty-four discs of pure gold, the largest disc resting on the brass plate, and the others getting smaller and smaller up to the top one. This is the Tower of Bramah. Day and night unceasingly the priests transfer the discs from one diamond needle to another according to the fixed and immutable laws of Bramah, which require that the priest on duty must not move more than one disc at a time and that he must place this disc on a needle so that there is no smaller disc below it. When the sixty-four discs shall have been thus transferred from the needle on which at the creation God placed them to one of the other needles, tower, temple, and Brahmins alike will crumble into dust, and with a thunderclap the world will vanish." The recursive solution is: Solve for n-1 discs recursively, then move the remaining largest disc to the free needle. Note that there is also a non-recursive solution: On odd-numbered moves, move the smallest sized disk clockwise. On even-numbered moves, make the single other move which is possible.
- transfer window — the period during the year in which a football club can transfer players from other teams into their own
- troubled waters — a confused or chaotic state of affairs: The situation was terrible, but like many politicians he was attracted by troubled waters.
- trustworthiness — deserving of trust or confidence; dependable; reliable: The treasurer was not entirely trustworthy.
- twelve apostles — the twelve disciples chosen by Jesus to go forth to teach the gospel
- twist one's arm — to combine, as two or more strands or threads, by winding together; intertwine.
- two-dimensional — having the dimensions of height and width only: a two-dimensional surface.
- two-star petrol — leaded petrol that has a low octane number; inferior leaded petrol
- two-thirds rule — a former rule in the Democratic Party, effective 1832–1936, requiring a vote of at least two thirds of its national convention delegates to nominate a presidential and vice-presidential candidate.
- tyrwhitt-wilson — Gerald Hugh, 14th Baron Berners [bur-nerz] /ˈbɜr nərz/ (Show IPA), 1883–1950, English composer, painter, and author.
- unknown soldier — an unidentified soldier killed in battle and buried with honors, the tomb serving as a memorial to all the unidentified dead of a nation's armed forces. The tomb of the American Unknown Soldier, commemorating a serviceman killed in World War I, was established in the Arlington National Cemetery in Virginia in 1921. In 1958, the remains of personnel of World War II and the Korean War were buried alongside the tomb (now called the Tomb of the Unknowns, ). In 1984, a serviceman of the Vietnam War was interred next to the others.
- unseaworthiness — constructed, outfitted, manned, and in all respects fitted for a voyage at sea.
- untrustworthily — in an untrustworthy manner; not trustworthily
- upperclasswoman — An upperclasswoman is a junior or senior student in a high school, college, or university.
- w.h. richardson — Henry Handel (Henrietta Richardson Robertson) 1870–1946, Australian novelist.
- waddesdon manor — a mansion near Aylesbury in Buckinghamshire: built (1880–89) in the French style for the Rothschild family: noted for its furnishings and collections of porcelain and paintings
- washing-up bowl — plastic bowl used for washing dishes
- washington lily — a lily, Lilium washingtonianum, of the western coast of the U.S., having whorled leaves and fragrant, purple-spotted white flowers.
- washington palm — a palm tree, Washingtonia filifera, of California and Florida, having large fan-shaped leaves and small black fruits
- waterford glass — fine cut or gilded glass made in Waterford, Ireland, having a slight blue cast due to the presence of cobalt.
- weapons carrier — a light truck for transporting weapons or munitions in the field.
- weather station — an installation equipped and used for meteorological observation.
- wee small hours — the hours just after midnight
- well-accustomed — customary; usual; habitual: in their accustomed manner.
- well-considered — thought about or decided upon with care: a considered opinion.
- well-formedness — rightly or pleasingly formed: a well-formed contour.
- well-positioned — condition with reference to place; location; situation.
- well-understood — simple past tense and past participle of understand.
- wentworth scale — a scale for specifying the sizes (diameters) of sedimentary particles, ranging from clay particles (less than 1⁄256 mm) to boulders (over 256 mm)
- west carrollton — a town in W Ohio.
- west coast jazz — cool jazz.