16-letter words containing w, a, r, i, o, s
- social darwinism — a 19th-century theory, inspired by Darwinism, by which the social order is accounted as the product of natural selection of those persons best suited to existing living conditions and in accord with which a position of laissez-faire is advocated.
- software library — a collection of programs that are used to develop software
- spring snowflake — a European amaryllidaceous plant, Leucojum vernum, with white nodding bell-shaped flowers
- swedenborgianism — of or relating to Emanuel Swedenborg, his religious doctrines, or the body of followers adhering to these doctrines and constituting the Church of the New Jerusalem, or New Church.
- swiss tournament — (in certain games and sports) a tournament system in which players are paired in each round according to the scores they then have, playing a new opponent each time. More players can take part than in an all-play-all tournament of the same duration
- torricelli's law — the law that states that the speed of flow of a liquid from an orifice is equal to the speed that it would attain if falling freely a distance equal to the height of the free surface of the liquid above the orifice.
- utility software — system software that manages and optimizes the performance of hardware
- virginia cowslip — a perennial woodland plant (Mertensia virginica) of the borage family, native to E North America and having clusters of blue or purple, bell-shaped flowers
- war of secession — American Civil War.
- warminster broom — a European shrub, Cytisus praecox, of the legume family, having yellowish-white or yellow, pealike flowers.
- washington thorn — a dense tree, Crataegus phaenopyrum, of the rose family, native to the eastern coast of the U.S., having triangular leaves, small clusters of white flowers, and clusters of bright red fruit.
- weather advisory — advisory (def 5).
- white wood aster — a composite plant, Aster divaricatus, of North America, having flat-topped clusters of white ray flowers and growing in dry woods.
- whole nine yards — a common unit of linear measure in English-speaking countries, equal to 3 feet or 36 inches, and equivalent to 0.9144 meter.
- wilson's warbler — a North American warbler, Wilsonia pusilla, having yellow plumage and a black patch on top of the head.
- windfall profits — Windfall profits are excessive profits with a non-business cause such as a natural disaster.
- wisconsin rapids — a city in central Wisconsin.
- word association — stimulation of an associative pattern by a word.
- world federalism — federalism on a worldwide level.
- world federalist — a promoter or supporter of world federalism.
- writ of subpoena — a legal document commanding the attendance in court, as a witness, of the person on whom it is served, under a penalty