12-letter words containing o, b, n, u, i, l
- pilot burner — pilot light (def 1).
- plumbaginous — containing graphite.
- public money — money that has been collected by the state, usually through taxation
- pulling boat — a boat propelled by oars alone.
- 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.
- slow-burning — (of combustible material) burning relatively slowly
- somnambulism — sleepwalking.
- somnambulist — sleepwalking.
- spiral-bound — having a spiral binding.
- sub-religion — a set of beliefs concerning the cause, nature, and purpose of the universe, especially when considered as the creation of a superhuman agency or agencies, usually involving devotional and ritual observances, and often containing a moral code governing the conduct of human affairs.
- subabdominal — below or beneath the abdomen
- subjectional — the act of subjecting.
- sublineation — an underlining
- subsonically — at a velocity below that of sound
- tumbling box — a box, pivoted at two corners, used in the manner of a tumbling barrel.
- umbilication — a central navellike depression.
- un-ignorable — to refrain from noticing or recognizing: to ignore insulting remarks.
- unactionable — furnishing ground for a lawsuit.
- unbecomingly — detracting from one's appearance, character, or reputation; unattractive or unseemly: an unbecoming hat; unbecoming language.
- unbiological — pertaining to biology.
- uncognizable — capable of being perceived or known.
- unconfinable — not able to be bound
- undoubtingly — in an undoubting manner
- 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
- unlibidinous — not libidinous
- 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.
- urbanologist — a sociologist specializing in urban life and problems
- urobilinogen — a colourless substance produced by bacterial degradation of the bile pigment bilirubin in the intestine and which produces urobilin when oxidized
- vocabularian — a person who is particularly or overly attentive to words
- zebulon pike — James Albert, 1913–69, U.S. Protestant Episcopal clergyman, lawyer, and author.