12-letter words containing a, b, i, u
- turbellarian — belonging to the Turbellaria, a class of platyhelminths or flatworms, mostly aquatic and having cilia on the body surface.
- turbinacious — with a peaty aroma or flavour
- turkish bath — a bath in which the bather, after copious perspiration in a steam room, showers and has a rubdown.
- ubangi-shari — former name of the Central African Republic.
- ubiquitarian — of or relating to the doctrine, especially as advocated by Luther, that the body of Christ is omnipresent and therefore exists in the Eucharistic bread.
- ultraliberal — extremely liberal, especially in politics.
- umbilication — a central navellike depression.
- un-ignorable — to refrain from noticing or recognizing: to ignore insulting remarks.
- un-liberated — to set free, as from imprisonment or bondage.
- un-trainable — capable of being trained.
- unaccessible — easy to approach, reach, enter, speak with, or use.
- unachievable — to bring to a successful end; carry through; accomplish: The police crackdown on speeders achieved its purpose.
- unacquirable — to come into possession or ownership of; get as one's own: to acquire property.
- unactionable — furnishing ground for a lawsuit.
- unalphabetic — in the order of the letters of the alphabet: alphabetical arrangement.
- unambivalent — not ambivalent; definite; certain.
- unapplicable — applying or capable of being applied; relevant; suitable; appropriate: an applicable rule; a solution that is applicable to the problem.
- unassailable — not open to attack or assault, as by military force or argument: unassailable fortifications; unassailable logic.
- unassailably — not open to attack or assault, as by military force or argument: unassailable fortifications; unassailable logic.
- unassignable — not able to be transferred
- unattainable — capable of being attained.
- unattainably — in an unattainable manner
- unattributed — to regard as resulting from a specified cause; consider as caused by something indicated (usually followed by to): She attributed his bad temper to ill health.
- unbelievable — too dubious or improbable to be believed: an unbelievable excuse.
- unbelievably — too dubious or improbable to be believed: an unbelievable excuse.
- unbeneficial — conferring benefit; advantageous; helpful: the beneficial effect of sunshine.
- unbiological — pertaining to biology.
- unbridgeable — a structure spanning and providing passage over a river, chasm, road, or the like.
- uncalibrated — to determine, check, or rectify the graduation of (any instrument giving quantitative measurements).
- uncapsizable — (of a boat, etc) that cannot be capsized
- uncharitable — deficient in charity; unkind; harsh; unforgiving; censorious; merciless: an uncharitable attitude; an uncharitable neighbor.
- uncharitably — in an unkind or ungenerous manner
- uncognizable — capable of being perceived or known.
- unconfinable — not able to be bound
- uncreditable — of ignoble character
- uncultivable — capable of being cultivated.
- undeliberate — carefully weighed or considered; studied; intentional: a deliberate lie.
- underbearing — unassuming
- undisputable — capable of being disputed; debatable; questionable.
- unfabricated — to make by art or skill and labor; construct: The finest craftspeople fabricated this clock.
- unfilterable — not able to be filtered
- 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.
- unhabituated — to accustom (a person, the mind, etc.), as to a particular situation: Wealth habituated him to luxury.
- unhospitable — not hospitable
- unimaginable — capable of being imagined or conceived.
- unimpugnable — not capable of being challenged or criticized
- uninebriated — to make drunk; intoxicate.
- uninvestable — that can be invested.