13-letter words containing o, u, t, a, c
- ullage rocket — a small hydrogen peroxide rocket engine that produces sufficient acceleration to keep propellants in their places when the main rocket is shut off
- ultracautious — extremely or excessively cautious
- ultraromantic — extremely romantic
- ultratropical — outside the tropics.
- ultraviolence — acts of extreme violence, esp those shown on television or film
- un-actionable — furnishing ground for a lawsuit.
- unaccountable — impossible to account for; unexplained; inexplicable: The boat has an unaccountable tendency to yaw.
- uncategorical — without exceptions or conditions; absolute; unqualified and unconditional: a categorical denial.
- uncategorized — to arrange in categories or classes; classify.
- unchlorinated — not chlorinated; not treated with chlorine
- uncollectable — that cannot be collected: an uncollectible debt.
- uncomfortable — causing discomfort or distress; painful; irritating.
- uncomfortably — causing discomfort or distress; painful; irritating.
- uncompensated — to recompense for something: They gave him ten dollars to compensate him for his trouble.
- uncomplaisant — not eager to please; not compliant or obliging
- uncompletable — having all parts or elements; lacking nothing; whole; entire; full: a complete set of Mark Twain's writings.
- uncomplicated — to make complex, intricate, involved, or difficult: His recovery from the operation was complicated by an allergic reaction.
- unconditional — not limited by conditions; absolute: an unconditional promise.
- unconsecrated — to make or declare sacred; set apart or dedicate to the service of a deity: to consecrate a new church building.
- unconstrained — forced, compelled, or obliged: a constrained confession.
- unconsummated — to bring to a state of perfection; fulfill.
- uncontainable — to hold or include within its volume or area: This glass contains water. This paddock contains our best horses.
- uncontestable — a race, conflict, or other competition between rivals, as for a prize.
- uncooperating — to work or act together or jointly for a common purpose or benefit.
- uncooperative — working or acting together willingly for a common purpose or benefit.
- uncoordinated — of the same order or degree; equal in rank or importance.
- uncorrectable — not able to be fixed
- uncustomarily — according to or depending on custom; usual; habitual.
- undated stock — stock that has no definitive repayment commitment
- underreaction — to react with less than the expected or appropriate emotion.
- undirectional — of, relating to, or indicating direction in space.
- undissociated — not dissociated, especially into ions or into simpler molecules.
- undoctrinaire — a person who does not subscribe to a particular doctrine or theory; a free thinker
- undomesticate — to make wild
- unexceptional — not exceptional; not unusual or extraordinary.
- unicorn plant — a North American plant, Proboscidea (Martynia) louisianica, having creamy-white to red flowers blotched with purple, and a woody capsule with a long, curved beak.
- union catalog — a library catalog combining the catalogs of several different libraries or different divisions of one library
- 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.
- unprovocative — tending or serving to provoke; inciting, stimulating, irritating, or vexing.
- unstercorated — not stercorated or covered in dung
- untheological — not theological; not of or pertaining to the nature of theology
- untheoretical — not theoretical; not belonging or pertaining to the realm of theory; not confined to the theoretical realm; (somewhat) concrete
- up to scratch — to break, mar, or mark the surface of by rubbing, scraping, or tearing with something sharp or rough: to scratch one's hand on a nail.
- upland cotton — a plant, Gossypium hirsutum, of warm regions of the New World, that is the chief commercial cotton crop in the U.S.
- vacuolization — the state of being full of vacuoles
- vacuum bottle — a bottle or flask having a vacuum liner that prevents the escape of heat from hot contents, usually liquids, or the entrance of heat into cold contents; thermos.
- vaunt-courier — a person who goes in advance, as a herald.
- vermiculation — to work or ornament with wavy lines or markings resembling the form or tracks of a worm.
- visual cortex — the portion of the cerebral cortex of the brain that receives and processes impulses from the optic nerves.