12-letter words containing o, u, t, b, n
- unfathomable — not able to be fathomed, or completely understood; incomprehensible: heroism in the face of unfathomable conflict.
- unflamboyant — not flamboyant
- unhospitable — not hospitable
- 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.
- unnegotiable — capable of being negotiated: a negotiable salary demand.
- unnoticeable — attracting notice or attention; capable of being noticed: a noticeable lack of interest.
- unnoticeably — attracting notice or attention; capable of being noticed: a noticeable lack of interest.
- unobfuscated — to confuse, bewilder, or stupefy.
- 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.
- unobtainable — to come into possession of; get, acquire, or procure, as through an effort or by a request: to obtain permission; to obtain a better income.
- 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
- unubiquitous — existing or being everywhere, especially at the same time; omnipresent: ubiquitous fog; ubiquitous little ants.
- up and about — to, toward, or in a more elevated position: to climb up to the top of a ladder.
- 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
- weatherbound — (often nautical) Delayed or prevented by bad weather from doing something, such as travelling.
- winterbourne — a channel filled only at a time of excessive rainfall.