13-letter words containing r, i, d, o
- undishonoured — not dishonoured; not disgraced or disrespected
- undoctrinaire — a person who does not subscribe to a particular doctrine or theory; a free thinker
- unforeskinned — circumcised
- unneighboured — having no neighbour or neighbours
- unobliterated — to blot out or render undecipherable (writing, marks, etc.); efface.
- unpersonified — to attribute human nature or character to (an inanimate object or an abstraction), as in speech or writing.
- unpreoccupied — not preoccupied
- unprovisioned — a clause in a legal instrument, a law, etc., providing for a particular matter; stipulation; proviso.
- unrefined oil — oil that hasn't been refined or processed
- unsoldierlike — not befitting a soldier
- untraditional — of or relating to tradition.
- uranium oxide — any of the compounds of uranium and oxygen, as UO 2 , UO 3 , U 4 O 9 , or U 3 O 8 .
- valedictorian — a student, usually the one ranking highest academically in a school graduating class, who delivers the valedictory at the commencement exercises.
- valproic acid — a carboxylic acid, C 8 H 16 O 2 , used for its antiepileptic properties in the treatment of various seizures including petit mal.
- venetian door — a doorway having a form similar to that of a Palladian window.
- versicoloured — of variable or various colours
- victoria land — a region in Antarctica, bordering on the Ross Sea, mainly in Ross Dependency.
- victory medal — a round bronze medal awarded to all those who served in the armed forces of the U.S. during World War I.
- video library — video and dvd lending service
- video referee — an additional referee during a televised game who is able to examine video playback to determine whether or not a try has been legitimately scored
- videorecorded — to record (programs, broadcasts, or the like) on videotape or videodisk.
- videorecorder — an electronic device for recording video signals on magnetic tape or on videodisks.
- vin ordinaire — inexpensive table wine, usually of unspecified origin.
- vindicatorily — in a vindicatory manner
- viola d'amore — a treble viol with numerous sympathetic strings and several gut strings, producing a resonant sound.
- violin spider — brown recluse spider.
- vitreous body — a transparent gelatinous substance, permeated by fine fibrils, that fills the interior of the eyeball between the lens and the retina
- wagon soldier — a field-artillery soldier.
- warping board — a rectangular board containing evenly spaced pegs at each end on which the warp is wound in preparation for weaving.
- 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
- waterboarding — a harsh interrogation technique in which water is poured onto the face and head of the immobilized victim so as to induce a fear of drowning.
- 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
- web directory — a database of selected websites, ordered in such a way as to facilitate browsing
- welding torch — tool used to fuse metals
- well-informed — having extensive knowledge, as in one particular subject or in a variety of subjects.
- well-ordering — an ordering in which every nonempty subset has a least member under the relation
- well-oriented — the Orient, the countries of Asia, especially East Asia. (formerly) the countries to the E of the Mediterranean.
- well-provided — having been furnished or supplied with a sufficient amount
- werecrocodile — (fiction) A shapeshifter who can assume the form of a crocodile.
- whiskerandoed — having extravagant whiskers
- widow's cruse — an inexhaustible supply of something: in allusion to the miracle of the cruse of oil in I Kings 17:10–16 and II Kings 4:1–7.
- 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.
- wild marjoram — a similar and related European plant, Origanum vulgare
- wind scorpion — sun spider.
- window winder — a device on the inside of a car door which is turned to raise or lower the window above it
- windsor bench — a bench similar in construction to a Windsor chair.
- windsor chair — a wooden chair of many varieties, having a spindle back and legs slanting outward: common in 18th-century England and in the American colonies.
- windsor locks — a town in N Connecticut.
- wine-coloured — of a dark red colour, sometimes with a purplish tinge
- wire recorder — a forerunner of the tape recorder that recorded sound on a steel wire by magnetizing the wire as it passed an electromagnet.