12-letter words containing u, n, l, o, a, b
- unobservable — incapable of observation; imperceptible
- 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.
- unoffendable — to err in conduct; commit a sin, crime, or fault.
- unpardonable — kind indulgence, as in forgiveness of an offense or discourtesy or in tolerance of a distraction or inconvenience: I beg your pardon, but which way is Spruce Street?
- unpardonably — in a manner that is not excusable; disgracefully
- unpersonable — of pleasing personal appearance; handsome or comely; attractive.
- unpolishable — incapable of being made smooth or shiny
- unprocurable — obtainable.
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- 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.
- unreckonable — to count, compute, or calculate, as in number or amount.
- unrecordable — to set down in writing or the like, as for the purpose of preserving evidence.
- unrecoupable — to get back the equivalent of: to recoup one's losses by a lucky investment.
- unreformable — not able to be reformed or reclaimed
- unreportable — not able to be reported, relayed, or spoken of
- unreprovable — not able to be reproved, reproached, or criticized
- 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
- unvoyageable — not able to be sailed or otherwise journeyed over; untraversable; innavigable
- urbanologist — a sociologist specializing in urban life and problems
- valve bounce — A valve bounce is the bouncing of a poppet valve on its seat when it is closing.
- vocabularian — a person who is particularly or overly attentive to words