12-letter words containing i, b, r, t, u
- undeliberate — carefully weighed or considered; studied; intentional: a deliberate lie.
- undisturbing — not disturbing
- unembittered — not embittered; not having bitter feelings
- unfabricated — to make by art or skill and labor; construct: The finest craftspeople fabricated this clock.
- unfilterable — not able to be filtered
- uninebriated — to make drunk; intoxicate.
- 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.
- 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.
- unremittable — to transmit or send (money, a check, etc.) to a person or place, usually in payment.
- unrequitable — to make repayment or return for (service, benefits, etc.).
- unresistible — not able to be resisted or opposed
- unretainable — to keep possession of.
- upright bass — double bass
- urban blight — deterioration of property in centre of 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
- venturi tube — a device for measuring the flow of a fluid, consisting of a tube with a short, narrow center section and widened, tapered ends, so that a fluid flowing through the center section at a higher velocity than through an end section creates a pressure differential that is a measure of the flow of the fluid.
- vibratiuncle — a slight vibration
- wind turbine — a turbine powered by the wind.
- winter blues — a feeling of depression or deep unhappiness associated with experiencing the cold and darkness of winter
- winterbourne — a channel filled only at a time of excessive rainfall.