12-letter words containing a, n, b, i, o
- tubocurarine — the principal active alkaloid of curare, C 38 H 44 Cl 2 N 2 O, used as a muscle relaxant, especially as an adjunct to anesthesia.
- turbinacious — with a peaty aroma or flavour
- umbilication — a central navellike depression.
- un-ignorable — to refrain from noticing or recognizing: to ignore insulting remarks.
- unactionable — furnishing ground for a lawsuit.
- unbiological — pertaining to biology.
- uncognizable — capable of being perceived or known.
- unconfinable — not able to be bound
- unforgivable — to grant pardon for or remission of (an offense, debt, etc.); absolve.
- unforgivably — in an unforgivable manner
- unformidable — causing fear, apprehension, or dread: a formidable opponent.
- unhospitable — not hospitable
- unmodifiable — incapable of being modified
- 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.
- unobligatory — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- 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.
- unpolishable — incapable of being made smooth or shiny
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- unsalubrious — favorable to or promoting health; healthful: salubrious air.
- 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
- verbal irony — irony in which a person says or writes one thing and means another, or uses words to convey a meaning that is the opposite of the literal meaning.
- vertebration — vertebrate formation.
- vocabularian — a person who is particularly or overly attentive to words
- wakeboarding — (sports) A water sport where a rider on a small board is towed by a motor boat, and attached by a cable.
- walking boot — a lightweight rigid knee-length boot with a reinforced sole and straps that fasten around the leg, used for support after a sprain or fracture
- window board — a thin board serving as a stool of a window.
- womb-leasing — bearing a child on behalf of a couple unable to have a child; surrogacy