12-letter words containing b, u, l, i, n, a
- numerability — the fact of having the ability to be counted
- obambulation — (obsolete) Wandering about; a casual outing.
- obnubilation — to cloud over; becloud; obscure.
- orion nebula — a luminous nebula in the constellation Orion, in the center of Orion's sword.
- outbalancing — Present participle of outbalance.
- plumbaginous — containing graphite.
- plunge basin — a cavity at the base of a falls or cataract, formed by the action of the falling water.
- pulling boat — a boat propelled by oars alone.
- quantifiable — to determine, indicate, or express the quantity of.
- quantifiably — to determine, indicate, or express the quantity of.
- questionable — of doubtful propriety, honesty, morality, respectability, etc.: questionable activities; in questionable taste.
- questionably — of doubtful propriety, honesty, morality, respectability, etc.: questionable activities; in questionable taste.
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- russian blue — any of a breed of domestic cat, thought to have originated in Arkhangelsk, with a soft, dense, grayish-blue or silvery-blue coat and green eyes
- somnambulism — sleepwalking.
- somnambulist — sleepwalking.
- spiral-bound — having a spiral binding.
- subabdominal — below or beneath the abdomen
- subalternity — lower in rank; subordinate: a subaltern employee.
- subjectional — the act of subjecting.
- sublapsarian — infralapsarianism.
- subliminally — existing or operating below the threshold of consciousness; being or employing stimuli insufficiently intense to produce a discrete sensation but often being or designed to be intense enough to influence the mental processes or the behavior of the individual: a subliminal stimulus; subliminal advertising.
- sublineation — an underlining
- subprincipal — an assistant or deputy principal.
- subsonically — at a velocity below that of sound
- substantival — noting, of, or pertaining to a substantive.
- turbellarian — belonging to the Turbellaria, a class of platyhelminths or flatworms, mostly aquatic and having cilia on the body surface.
- 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
- 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