13-letter words containing t, r, i, a, l, w
- tactical wire — wire entanglements used to break up attacking enemy formations or to keep them within the field of defensive fire.
- thankworthily — in a thankworthy way or manner
- the civil war — the war between the North (the Union) and the South (the Confederacy) in the U.S. (1861-65)
- training wall — an artificial embankment or wall for directing the course of a stream.
- ultrawideband — a transmission technique using a very wide spectrum of frequencies that enables high-speed transfer of data
- unworkability — the quality or state of being unworkable
- unwritten law — a law that rests for its authority on custom, judicial decision, etc., as distinguished from law originating in written command, statute, or decree.
- walter piston — Walter, 1894–1976, U.S. composer.
- warning light — a light that indicates danger
- water bailiff — an official responsible for enforcing laws on river management and fishing
- water blister — a blister that contains a clear, serous fluid, as distinguished from a blood blister, in which the fluid contains blood.
- water lobelia — Lobelia dortmanna
- water milfoil — any of various aquatic plants, chiefly of the genus Myriophyllum, the submerged leaves of which are very finely divided.
- water quality — Water quality is the degree to which water is clean, and whether it is suitable for drinking, for making plants grow, or for fish to live in, etc.
- water soldier — an aquatic plant, Stratiotes aloides, of Europe and NW Asia, having rosettes of large leaves and large three-petalled white flowers: family Hydrocharitaceae
- water spaniel — either of two breeds of spaniels, used for retrieving waterfowl.
- watercolorist — a pigment for which water and not oil is used as the vehicle.
- waterflooding — (in oil, gas, or petroleum production) the practice of injecting water to maintain pressure in a reservoir and to drive the oil, etc towards the production wells
- watering hole — a bar, nightclub, or other social gathering place where alcoholic drinks are sold.
- weatherliness — (nautical) The quality of being weatherly.
- white admiral — any color having components of both red and blue, such as lavender, especially one deep in tone.
- white leather — leather treated with chemicals, as alum or salt; tawed leather.
- white slavery — the condition of or traffic in white slaves.
- whitlow grass — any of various plants of the genera Draba and Erophila, once thought to cure whitlows: family Brassicaceae (crucifers)
- wild bergamot — a plant, Monarda fistulosa, of the mint family, native to eastern North America, having a rounded cluster of lilac-colored or purple flowers, growing in dry places.
- winter barley — barley that is planted in the autumn to be harvested in the spring or early summer.
- winter's tale — a drama (1610–11?) by Shakespeare.
- with pleasure — gladly, willingly
- woolgathering — indulgence in idle fancies and in daydreaming; absentmindedness: His woolgathering was a handicap in school.
- writing table — a table designed or used for writing at