15-letter words containing o, w, s
- self-worthiness — the sense of one's own value or worth as a person; self-esteem; self-respect.
- senior wrangler — (at Cambridge University) a candidate who has obtained first-class honours in Part II of the mathematics tripos and got the highest marks
- sewage disposal — waste processing
- shadow minister — a member of the main opposition party in Parliament who would hold ministerial office if their party were in power
- share ownership — the owning of shares in a company
- sherwood forest — an ancient royal forest in central England, chiefly in Nottinghamshire: the traditional haunt of Robin Hood.
- shockwave flash — flash
- shoot one's wad — a small mass, lump, or ball of anything: a wad of paper; a wad of tobacco.
- shoot the works — exertion or effort directed to produce or accomplish something; labor; toil.
- short and sweet — having little length; not long.
- short-eared owl — a streaked, buffy brown, cosmopolitan owl, Asio flammeus, having very short tufts of feathers on each side of the head.
- shortwave radio — a radio that transmits or receives shortwaves.
- shotgun wedding — a wedding occasioned or precipitated by pregnancy.
- shoulder weapon — a firearm that is fired while being held in the hands with the butt of the weapon braced against the shoulder.
- show one's face — the front part of the head, from the forehead to the chin.
- show one's hand — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- show to a table — When you show a customer to a table in a restaurant, you take them to the table where you want them to sit and help them sit down.
- silicified wood — wood that has been changed into quartz by a replacement of the cellular structure of the wood by siliceous waters.
- sit-down strike — a strike during which workers occupy their place of employment and refuse to work or allow others to work until the strike is settled.
- slow-wave sleep — a recurrent period of deep sleep, typically totaling five or six hours a night, distinguished by the presence of slow brain waves and by very little dreaming.
- sneezing powder — a powder used to make people sneeze as a practical joke
- snowball effect — a process of continuously accelerating change in size, importance, etc
- snowy mountains — a mountain range in SE Australia, part of the Australian Alps: famous hydroelectric scheme
- software method — Software Methodology
- solenoid switch — A solenoid switch is an electrical switch that is often used where a high current circuit, such as a starter motor circuit, is brought into operation by a low current switch.
- south kingstown — a town in S central Rhode Island.
- south milwaukee — a city in SE Wisconsin.
- south-southwest — the point on the compass midway between south and southwest.
- southeastwardly — toward the southeast
- southwestwardly — toward the southwest
- spawning ground — a place where fish deposit their eggs for fertilization
- spirits of wine — alcohol (def 1).
- spotted cowbane — a North American water hemlock, Cicuta maculata, of the parsley family, having a purple-mottled stem, white flowers, and deadly poisonous, tuberlike roots.
- spread the word — make others aware
- st.-john's-wort — any of various plants or shrubs of the genus Hypericum, having yellow flowers and transparently dotted leaves.
- stalactite work — (in Islamic architecture) intricate decorative corbeling in the form of brackets, squinches, and portions of pointed vaults.
- stand in awe of — to respect and fear
- starfish flower — carrion flower (def 2).
- stationary wave — standing wave.
- stillson wrench — a large wrench having adjustable jaws that tighten as the pressure on the handle is increased
- stoke newington — former metropolitan borough of London, now part of Hackney
- stone the crows — an expression of surprise, dismay, etc
- straightforward — going or directed straight ahead: a straightforward gaze.
- strawberry roan — a horse with a reddish coat that is liberally flecked with white hairs.
- streamline flow — the flow of a fluid past an object such that the velocity at any fixed point in the fluid is constant or varies in a regular manner.
- sunflower seeds — the seeds of a sunflower, which can be eaten
- sunflower state — Kansas (used as a nickname).
- swainson's hawk — a migratory hawk, Buteo swainsoni, of western North America, that winters in southern South America.
- swallow-tanager — a tropical American bird, Tersina viridis, related to the true tanagers but with longer, swallowlike wings.
- swamp white oak — an oak, Quercus bicolor, of eastern North America, yielding a hard, heavy wood used in shipbuilding, for making furniture, etc.