12-letter words containing r, a, b, i, u
- suborbicular — nearly circular or orblike
- subordinated — placed in or belonging to a lower order or rank.
- subordinator — a conjunction introducing a subordinate clause, as when in They were glad when I finished.
- subprincipal — an assistant or deputy principal.
- subscribable — to pledge, as by signing an agreement, to give or pay (a sum of money) as a contribution, gift, or investment: He subscribed $6,000 for the new church.
- subsidiarily — serving to assist or supplement; auxiliary; supplementary.
- subsidiarity — secondary importance
- substraction — the act or process of subtracting
- subway train — a train that runs on an underground railway
- sumba strait — an area of water separating Sumba, in the Lesser Sunda Islands, from Flores
- summarizable — to make a summary of; state or express in a concise form.
- supercabinet — a specially-formed cabinet, a select or powerful group of political ministers (cabinet)
- supraorbital — situated above the eye socket.
- surfboarding — a long, narrow board on which a person stands or lies prone in surfboarding.
- survival bag — a large plastic bag carried by climbers for use in an emergency as protection against exposure
- tribute band — A tribute band is a pop group that plays the music and copies the style of another, much more famous, pop group.
- trustability — reliance on the integrity, strength, ability, surety, etc., of a person or thing; confidence.
- tube railway — subway (def 1).
- 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.
- tubulifloral — (of a plant) tubuliflorous
- 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.
- 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.
- unacquirable — to come into possession or ownership of; get as one's own: to acquire property.
- 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.
- 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).
- uncharitable — deficient in charity; unkind; harsh; unforgiving; censorious; merciless: an uncharitable attitude; an uncharitable neighbor.
- uncharitably — in an unkind or ungenerous manner
- uncreditable — of ignoble character
- undeliberate — carefully weighed or considered; studied; intentional: a deliberate lie.
- underbearing — unassuming
- 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.
- uninebriated — to make drunk; intoxicate.
- unobligatory — required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- unperishable — imperishable
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- unrealizable — incapable of being made actual or real, as an ideal or ambition: His dream of military glory was unrealizable.
- unrelievable — to ease or alleviate (pain, distress, anxiety, need, etc.).
- unremediable — capable of being remedied.