16-letter words containing i, n, w, a
- 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.
- willem-alexander — full name Willem-Alexander Claus George Ferdinand. born 1967, king of the Netherlands from 2013
- william hamilton — (person) A mathematician who posed Hamilton's problem.
- william mckinley — William, 1843–1901, 25th president of the U.S. 1897–1901.
- willow ptarmigan — a ptarmigan, Lagopus lagopus, of arctic and subarctic regions of the New and Old Worlds, having brown, mottled plumage in summer and white plumage in winter.
- wilson's disease — a rare hereditary disease in which copper accumulates in the brain and liver, gradually leading to tremors, muscular rigidity, kidney malfunction, and cognitive disturbances: marked by Kayser-Fleischer rings.
- wilson's warbler — a North American warbler, Wilsonia pusilla, having yellow plumage and a black patch on top of the head.
- win the exchange — to win a rook in return for a bishop or knight
- wind river range — a mountain range in W Wyoming, part of the Rocky Mountains. Highest peak, Gannett Peak, 13,785 feet (4202 meters).
- windchill factor — an estimated measurement of the cooling effect of air and wind, esp. when applied to the loss of body heat from exposed skin; chill factor
- windfall profits — Windfall profits are excessive profits with a non-business cause such as a natural disaster.
- windowless monad — (in the philosophy of Leibniz) a monad having no direct causal or perceptual relation with any other monad.
- windowpane shell — capiz.
- windward islands — a group of islands in the SE West Indies, consisting of the S part of the Lesser Antilles: includes British, French, and independent territories.
- windward passage — a strait in the West Indies, between Cuba and Haiti. 50 miles (80 km) wide.
- wire-transferred — to transmit (money or credit) by wire transfer.
- wisconsin rapids — a city in central Wisconsin.
- with a free hand — with generosity; lavishly
- with a high hand — with arrogance; in an arbitrary or dictatorial manner
- with a vengeance — an act or opportunity of inflicting such trouble: to take one's vengeance.
- with clean hands — innocently
- withdrawing room — a room to withdraw or retire to; drawing room.
- within an ace of — a playing card or die marked with or having the value indicated by a single spot: He dealt me four aces in the first hand.
- woodland caribou — a variety of caribou inhabiting the bogs and forests of eastern Canada, having large, palmate antlers.
- woody nightshade — bittersweet (def 3).
- woolly manzanita — a tree or shrub, Arctostaphylos tomentosa, of the heath family, common from British Columbia to California, having broad leaves, with the underside covered with white hairs, and white flowers.
- word association — stimulation of an associative pattern by a word.
- 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
- wrongful trading — the act of allowing a company to continue trading when its insolvency is inevitable
- yellow poinciana — royal poinciana.
- yellowfin (tuna) — a tuna (Thunnus albacares) with yellow fins and a yellow stripe on each side, important as a game and food fish and found worldwide in warm seas