12-letter words containing t, u, r, b, o
- turbocharged — with additional power from turbine
- turbocharger — a supercharger that is driven by a turbine turned by exhaust gases from the engine.
- turkey brown — an angler's name for a species of mayfly, Paraleptophlebia submarginata
- unelaborated — not elaborated
- union buster — any of a group of persons hired by a company to disperse picketers, end a strike or job action, etc., especially by violence or intimidation.
- unobligatory — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- unobstructed — to block or close up with an obstacle; make difficult to pass: Debris obstructed the road.
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- unprohibited — to forbid (an action, activity, etc.) by authority or law: Smoking is prohibited here.
- unreportable — not able to be reported, relayed, or spoken of
- unrestorable — to bring back into existence, use, or the like; reestablish: to restore order.
- untroubledly — in an untroubled manner
- urban forest — the trees and plants within a city.
- urbanisation — the act or fact of urbanizing, or taking on the characteristics of a city: Urbanization has led to more air pollution and increasing childhood asthma.
- urbanization — the act or fact of urbanizing, or taking on the characteristics of a city: Urbanization has led to more air pollution and increasing childhood asthma.
- urbanologist — a sociologist specializing in urban life and problems
- urbi et orbi — to the city and the world: a phrase qualifying the solemn papal blessing
- water bouget — (formerly) a leather bag suspended at each end of a pole or yoke and used for carrying water.
- weatherbound — (often nautical) Delayed or prevented by bad weather from doing something, such as travelling.
- whataboutery — (of two communities in conflict) the practice of repeatedly blaming the other side and referring to events from the past
- winterbourne — a channel filled only at a time of excessive rainfall.
- woodburytype — a process using gelatine film exposed to the negative, which is then pressed into lead and processed, or a print of this type