12-letter words containing a, b, s, o
- tube station — an underground station where underground trains depart and leave, esp in London
- turbinacious — with a peaty aroma or flavour
- turbo pascal — (language, product) Borland International's Pascal. Perhaps the first integrated development environment for MS-DOS. Versions 1.0-3.0: standard Pascal with a few extensions Versions 4.0 (1987) and 5.0: separate compilation. Version 5.5: object-oriented. Version 6.0: Turbo Vision OOP library.
- two-base hit — a base hit that enables a batter to reach second base safely.
- uncomposable — not fit for composition
- unconsolable — to alleviate or lessen the grief, sorrow, or disappointment of; give solace or comfort: Only his children could console him when his wife died.
- unhospitable — not hospitable
- unobfuscated — to confuse, bewilder, or stupefy.
- unobservable — incapable of observation; imperceptible
- unobservance — a failure to comply or observe (a law, custom, etc)
- unpersonable — of pleasing personal appearance; handsome or comely; attractive.
- unpolishable — incapable of being made smooth or shiny
- unreasonable — not reasonable or rational; acting at variance with or contrary to reason; not guided by reason or sound judgment; irrational: an unreasonable person.
- unreasonably — not reasonable or rational; acting at variance with or contrary to reason; not guided by reason or sound judgment; irrational: an unreasonable person.
- unresolvable — not able to be resolved or brought to a satisfactory resolution
- unrestorable — to bring back into existence, use, or the like; reestablish: to restore order.
- unsalubrious — favorable to or promoting health; healthful: salubrious air.
- unseasonable — not seasonable; being out of season; unseasonal: unseasonable weather.
- unseasonably — not seasonable; being out of season; unseasonal: unseasonable weather.
- unshadowable — not able to be shadowed
- unsupposable — not able to be supposed
- up for grabs — to seize suddenly or quickly; snatch; clutch: He grabbed me by the collar.
- 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.
- urbanologist — a sociologist specializing in urban life and problems
- verbenaceous — belonging to the plant family Verbenaceae.
- west babylon — a city on S Long Island, in SE New York.
- wheelbarrows — Plural form of wheelbarrow.
- womb-leasing — bearing a child on behalf of a couple unable to have a child; surrogacy
- workableness — The quality or state of being workable, or the extent to which a thing is workable.
- xylobalsamum — the dried, fragrant wood of the Balsamodendron gileadense that produces resin known as Balm of Gilead
- younghusband — Sir Francis Edward. 1863–1942, British explorer, mainly of N India and Tibet. He used military force to compel the Dalai Lama to sign (1904) a trade agreement with Britain