13-letter words containing s, y, l, i
- unsaleability — inability to be sold
- unselectively — in an unselective manner
- unshrinkingly — in an unshrinking manner
- unspiritually — in an unspiritual manner
- unsuitability — the quality of being inappropriate, unsuitable, or unfit
- 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.
- uprighteously — in an upright or moral manner
- user-friendly — easy to use, operate, understand, etc.: the most user-friendly personal computer now on the market.
- vanity plates — a vehicle license plate bearing a combination of letters or numbers requested by the licensee, as a name or occupation.
- 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.
- visual acuity — acuteness of the vision as determined by a comparison with the normal ability to define certain letters at a given distance, usually 20 feet (6 meters). Abbreviation: V.
- visual binary — a binary star having components that are sufficiently separated to be resolved by a telescope.
- wassily chair — a chair designed by Marcel Breuer in 1925, having a chromium-plated tubular steel frame over which strips of canvas or leather of varying widths are stretched to form the seat, back, and arms.
- when pigs fly — If you say 'when pigs fly' after someone has said that something might happen, you are emphasizing that you think it is very unlikely.
- white slavery — the condition of or traffic in white slaves.
- wholistically — Alternative form of holistically.
- woolly indris — a related nocturnal Madagascan animal, Avahi laniger, with thick grey-brown fur and a long tail
- xiphophyllous — (botany) Having sword-shaped leaves.
- yellowishness — The property of having a slight or moderate shade of yellow, usually tinged with other colours.
- yieldableness — the quality of being submissive or compliant
- zoophysiology — the physiology of animals as opposed to humans