15-letter words containing n, a, y, s, i
- semipornography — partial pornography; material that is almost pornographic
- septentrionally — northwards; in the direction of the north
- serial monogamy — a form of monogamy characterized by several successive, short-term marriages over the course of a lifetime.
- sesquicentenary — a hundred and fiftieth anniversary
- seven-year itch — scabies.
- sharing economy — a system in which people rent, borrow, or share commodities, services, and resources owned by individuals, usually with the aid of online technology, in an effort to save money, cut costs, and reduce waste.
- shillyshallying — hesitation; vacillation
- sibling rivalry — the feeling of competitiveness that often exists between brothers and sisters
- siege mentality — a state of mind whereby one believes that one is being constantly attacked, oppressed, or isolated.
- significatively — serving to signify.
- silent majority — the U.S. citizens who supported President Nixon's policies but who were not politically vocal, outspoken, or active: considered by him to constitute a majority.
- single-handedly — in a single-handed manner; single-handed.
- sinorespiratory — of, relating to, or affecting the paranasal sinuses and the respiratory tract.
- sleeping beauty — a beautiful princess, the heroine of a popular fairy tale, awakened from a charmed sleep by the kiss of the prince who is her true love.
- slumpflationary — of or relating to slumpflation
- smoky mountains — Great Smoky Mountains
- snowy mountains — a mountain range in SE Australia, part of the Australian Alps: famous hydroelectric scheme
- social dynamics — the study of social processes, especially social change.
- society islands — a group of islands in the S Pacific: administratively part of French Polynesia; consists of the Windward Islands and the Leeward Islands; became a French protectorate in 1843 and a colony in 1880. Pop: 214 445 (2002). Area: 1595 sq km (616 sq miles)
- spanish bayonet — any of certain plants belonging to the genus Yucca, of the agave family, having narrow, spine-tipped leaves and a cluster of white flowers.
- spratly islands — a widely-scattered group of uninhabited islets and reefs in the S South China Sea, the subject of territorial claims wholly or in part by six neighbouring nations
- starting salary — an employee's initial rate of pay
- stationary wave — standing wave.
- subsidiary coin — a coin, especially one made of silver, having a value less than that of the monetary unit.
- substitutionary — a person or thing acting or serving in place of another.
- sulphinpyrazone — a uricosuric drug with molecular formula C23H20N2O3S, used in the treatment of chronic gout
- supernaturality — the quality or state of being supernatural; supernaturalism.
- surface density — quantity, as of electric charge, per unit surface area.
- sustained yield — the continuing supply of a natural resource, as timber, through scheduled harvests to insure replacement by regrowth or reproduction.
- sweating system — the practice of employing workers in sweatshops.
- swing both ways — to enjoy sexual partners of both sexes
- sycophantically — a self-seeking, servile flatterer; fawning parasite.
- syllabification — to form or divide into syllables.
- sylvian fissure — lateral fissure.
- sympathetic ink — a fluid for producing writing that is invisible until brought out by heat, chemicals, etc.; invisible ink.
- synecdochically — a figure of speech in which a part is used for the whole or the whole for a part, the special for the general or the general for the special, as in ten sail for ten ships or a Croesus for a rich man.
- synergistically — pertaining to, characteristic of, or resembling synergy: a synergistic effect.
- syngeneic graft — a tissue or organ transplanted from one member of a species to another, genetically identical member of the species, as a kidney transplanted from one identical twin to the other.
- systematization — to arrange in or according to a system; reduce to a system; make systematic.
- tammany society — a benevolent society founded in 1789, which later became Tammany Hall, the central organization of the Democratic Party in New York county
- tensor analysis — the branch of mathematics dealing with the calculus of tensors, especially the study of properties that are unaffected by a change of coordinate system.
- thursday island — an island in Torres Strait between NE Australia and New Guinea; part of Queensland: pearl fishing. 1½ sq. mi. (4 sq. km).
- tiffany setting — a setting, as in a ring, in which the stone is held with prongs.
- trans-himalayan — the, a mountain range extending about 1500 miles (2400 km) along the border between India and Tibet. Highest peak, Mt. Everest, 29,028 feet (8848 meters).
- transactionally — the act of transacting or the fact of being transacted.
- transferability — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
- translatability — to turn from one language into another or from a foreign language into one's own: to translate Spanish.
- translationally — in a manner which uses translation
- transnationally — going beyond national boundaries or interests: a transnational economy.
- transvaal daisy — a composite plant, Gerbera jamesonii, native to southern Africa, having showy, many-rayed, variously colored flower heads.