13-letter words containing r, l, a, b
- ultra-liberal — extremely liberal, especially in politics.
- ultrareliable — extremely reliable
- ultrawideband — a transmission technique using a very wide spectrum of frequencies that enables high-speed transfer of data
- umbraculiform — umbrella-shaped
- umbrella bird — any of several large trogons of the genus Cephalopterus, of Central and South America, as C. ornatus, having an umbrellalike crest above the head.
- umbrella leaf — a rare, large-leaved perennial herb, Diphylleia cymosa, of the southeastern U.S., having white flowers and small, blue berries.
- umbrella palm — an Australian feather palm, Hedyscepe canterburyana, characterized by the umbrellalike manner of growth of its leaves.
- umbrella pine — a Japanese evergreen tree, Sciadopitys verticillata, having linear leaves growing in umbrellalike whorls, cultivated as an ornamental.
- umbrella step — (in the game of giant steps) a step executed by extending one foot forward and whirling on the heel.
- umbrella tent — a small tent with a metal frame consisting of ribs that radiate from a single supporting pole.
- umbrella tree — an American magnolia, Magnolia tripetala, having large leaves in umbrellalike clusters.
- un-personable — of pleasing personal appearance; handsome or comely; attractive.
- un-releasable — to free from confinement, bondage, obligation, pain, etc.; let go: to release a prisoner; to release someone from a debt.
- un-vulnerable — capable of or susceptible to being wounded or hurt, as by a weapon: a vulnerable part of the body.
- unappreciable — sufficient to be readily perceived or estimated; considerable: There is an appreciable difference between socialism and communism.
- uncomfortable — causing discomfort or distress; painful; irritating.
- uncomfortably — causing discomfort or distress; painful; irritating.
- unconformable — not conformable; not conforming.
- unconformably — not conformable; not conforming.
- unconquerable — to acquire by force of arms; win in war: to conquer a foreign land.
- unconquerably — in an invincible manner
- unconversable — inappropriate for conversation
- uncorrectable — not able to be fixed
- undeliverable — capable of delivery.
- undescribable — to tell or depict in written or spoken words; give an account of: He described the accident very carefully.
- undiscernable — capable of being discerned; distinguishable.
- unenforceable — to put or keep in force; compel obedience to: to enforce a rule; Traffic laws will be strictly enforced.
- unextractable — to get, pull, or draw out, usually with special effort, skill, or force: to extract a tooth.
- unforeseeable — to have prescience of; to know in advance; foreknow.
- unforeseeably — to have prescience of; to know in advance; foreknow.
- unforgettable — impossible to forget; indelibly impressed on the memory: scenes of unforgettable beauty.
- unforgettably — impossible to forget; indelibly impressed on the memory: scenes of unforgettable beauty.
- unobliterated — to blot out or render undecipherable (writing, marks, etc.); efface.
- unperceivable — imperceptible
- unperceivably — imperceptibly
- unperformable — to carry out; execute; do: to perform miracles.
- unpersuadable — not open or susceptible to persuasion
- unperturbable — to disturb or disquiet greatly in mind; agitate.
- unpleasurable — such as to give pleasure; enjoyable; agreeable; pleasant: a pleasurable experience.
- unpleasurably — without pleasure, in an unpleasurable manner
- unpolarizable — not capable of being polarized
- unpracticable — impracticable.
- unpredictable — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unpredictably — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unpresentable — not fit to be shown or introduced to other people
- unpreventable — not able to be prevented
- unproblematic — not problematic, not causing difficulties or confusion; uncomplicated
- unprotectable — to defend or guard from attack, invasion, loss, annoyance, insult, etc.; cover or shield from injury or danger.
- unreclaimable — not able to be reclaimed, reformed, or rescued from vice
- unreclaimably — in an unreclaimable manner