13-letter words containing a, u, s, o
- touristically — in a touristic or touristy manner
- toxicophagous — poison-eating
- trachycarpous — having rough-skinned fruit.
- transboundary — something that indicates bounds or limits; a limiting or bounding line.
- transfusional — of or relating to transfusion
- transmountain — across or through a mountain or mountains
- transmutation — the act or process of transmuting.
- traumatonasty — a nastic movement in response to an injury
- treacherously — characterized by faithlessness or readiness to betray trust; traitorous.
- treasury bond — any of various interest-bearing bonds issued by the U.S. Treasury Department, usually maturing over a long period of time.
- treasury note — a note or bill issued by the U.S. Department of the Treasury, receivable as legal tender for all debts except as otherwise expressly provided.
- trucial coast — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Qaiwain, Ras al-Khaimah (joined 1972), and Fujairah. About 32,300 sq. mi. (83,657 sq. km). Capital: Abu Dhabi. Abbreviation: U.A.E.
- trust account — an account of property established with a trust company by a grantor, for distribution during or after the grantor's lifetime.
- trust company — a company or corporation organized to exercise the functions of a trustee, but usually engaging also in other banking and financial activities.
- tseng kuo-fan — 1811–72, Chinese general and statesman.
- tussiculation — a hacking cough.
- tussock grass — any of various grasses that grow in tuftlike clumps.
- tyrannosaurus — any large carnivorous bipedal dinosaur of the genus Tyrannosaurus, common in North America in upper Jurassic and Cretaceous times: suborder Theropoda (theropods)
- ultracautious — extremely or excessively cautious
- ultraroyalist — a supporter or adherent of a king or royal government, especially in times of rebellion or civil war.
- un-personable — of pleasing personal appearance; handsome or comely; attractive.
- unadventurous — inclined or willing to engage in adventures; enjoying adventures.
- unambiguously — plainly, clearly
- unambitiously — in an unambitious manner
- uncompensated — to recompense for something: They gave him ten dollars to compensate him for his trouble.
- uncomplaisant — not eager to please; not compliant or obliging
- unconsecrated — to make or declare sacred; set apart or dedicate to the service of a deity: to consecrate a new church building.
- unconstrained — forced, compelled, or obliged: a constrained confession.
- unconsummated — to bring to a state of perfection; fulfill.
- uncontestable — a race, conflict, or other competition between rivals, as for a prize.
- unconversable — inappropriate for conversation
- uncustomarily — according to or depending on custom; usual; habitual.
- undated stock — stock that has no definitive repayment commitment
- undiagnosable — unable to be diagnosed
- undiscouraged — to deprive of courage, hope, or confidence; dishearten; dispirit.
- undissociated — not dissociated, especially into ions or into simpler molecules.
- undomesticate — to make wild
- undulationist — a subscriber to the theory that light is transmitted as waves
- unencompassed — to form a circle about; encircle; surround: He built a moat to encompass the castle.
- unfashionable — observant of or conforming to the fashion; stylish: a fashionable young woman.
- unfashionably — in an unfashionable manner
- unforeseeable — to have prescience of; to know in advance; foreknow.
- unforeseeably — to have prescience of; to know in advance; foreknow.
- unimpassioned — not filled with passion or affected by strong emotion
- unmaliciously — not in a malicious manner
- unmetabolised — not metabolised
- unpostponable — to put off to a later time; defer: He has postponed his departure until tomorrow.
- unscholarlike — not befitting a scholar; ungentlemanly
- unsensational — not sensational
- unsmotherable — unquenchable