13-letter words containing a, t, l, n, i, s
- unsuitability — the quality of being inappropriate, unsuitable, or unfit
- unsustainable — not sustainable; not to be supported, maintained, upheld, or corroborated.
- unsustainably — not sustainable; not to be supported, maintained, upheld, or corroborated.
- unsymmetrical — characterized by or exhibiting symmetry; well-proportioned, as a body or whole; regular in form or arrangement of corresponding parts.
- untarnishable — to dull the luster of (a metallic surface), especially by oxidation; discolor.
- unterrestrial — not terrestrial; not of or pertaining to this world; other-worldly; extra-terrestrial; heavenly
- unwhistleable — incapable of being whistled
- ustilagineous — belonging to the Ustilaginales, an order of fungi that cause plant disease
- vaccinologist — the science of vaccine development.
- vanity plates — a vehicle license plate bearing a combination of letters or numbers requested by the licensee, as a name or occupation.
- vasostimulant — stimulating the action of the vasomotor nerves.
- vernacularist — someone who uses vernacular speech
- vestal virgin — (in ancient Rome) one of four, later six, virgins consecrated to Vesta and to the tending of the sacred fire on her altar.
- vinyl plastic — any of various plastics made from polymerized vinyl compounds or copolymers of vinyl and other resins, used in various molded or extruded products, coatings, adhesives, sizes, etc.
- visualization — to recall or form mental images or pictures.
- vocationalism — the practice or policy of requiring vocational training of all college or high-school students.
- vocationalist — the practice or policy of requiring vocational training of all college or high-school students.
- volcanologist — the scientific study of volcanoes and volcanic phenomena.
- voluntariness — done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
- voluntaristic — Philosophy. any theory that regards will as the fundamental agency or principle, in metaphysics, epistemology, or psychology.
- walking stick — a stick held in the hand and used to help support oneself while walking.
- walter piston — Walter, 1894–1976, U.S. composer.
- water spaniel — either of two breeds of spaniels, used for retrieving waterfowl.
- weatherliness — (nautical) The quality of being weatherly.
- wellingtonias — Plural form of wellingtonia.
- west atlantic — a group of languages of W Africa constituting a branch of the Niger-Congo subfamily of languages, and including Fulani and Wolof.
- west midlands — a metropolitan county in central England. 347 sq. mi. (899 sq. km).
- white-slaving — traffic in white slaves.
- wild huntsman — the leader of the Wild Hunt, often associated with Odin.
- winston-salem — a city in N North Carolina.
- winter's tale — a drama (1610–11?) by Shakespeare.
- xiphiplastron — the fourth lateral plate of a turtle's plastron
- zinc sulphate — a colourless soluble crystalline substance usually existing as the heptahydrate or monohydrate: used as a mordant, in preserving wood and skins, and in the electrodeposition of zinc. Formula: ZnSO4