13-letter words containing a, l, t, r, u, i
- uncentralized — to draw to or gather about a center.
- unchlorinated — not chlorinated; not treated with chlorine
- uncustomarily — according to or depending on custom; usual; habitual.
- underinflated — lacking sufficient air pressure
- undirectional — of, relating to, or indicating direction in space.
- unfalteringly — to hesitate or waver in action, purpose, intent, etc.; give way: Her courage did not falter at the prospect of hardship.
- unfamiliarity — not familiar; not acquainted with or conversant about: to be unfamiliar with a subject.
- ungrammatical — grammatically incorrect or awkward; not conforming to the rules or principles of grammar or accepted usage: an ungrammatical sentence.
- 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.
- unilateralism — the advocacy or pursuit of a unilateral policy, especially in disarmament.
- unilateralist — a person or organization that believes in acting independently, without reference to other parties
- unilaterality — relating to, occurring on, or involving one side only: unilateral development; a unilateral approach.
- unillustrated — not containing illustrations
- uniparentally — in a uniparental manner
- universal set — the set of all objects or elements considered in a given problem
- unministerial — not befitting a minister, esp relating to a head of a government department
- unobliterated — to blot out or render undecipherable (writing, marks, etc.); efface.
- unoriginality — the quality or state of being original.
- 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.
- unproblematic — not problematic, not causing difficulties or confusion; uncomplicated
- unrectifiable — able to be rectified.
- unreliability — not reliable; not to be relied or depended on.
- unretrievable — to recover or regain: to retrieve the stray ball.
- unspiritually — in an unspiritual manner
- unsymmetrical — characterized by or exhibiting symmetry; well-proportioned, as a body or whole; regular in form or arrangement of corresponding parts.
- untarnishable — to dull the luster of (a metallic surface), especially by oxidation; discolor.
- unterrestrial — not terrestrial; not of or pertaining to this world; other-worldly; extra-terrestrial; heavenly
- untheoretical — not theoretical; not belonging or pertaining to the realm of theory; not confined to the theoretical realm; (somewhat) concrete
- untraditional — of or relating to tradition.
- unvitrifiable — not able to be vitrified
- unvoluntarily — done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
- unworkability — the quality or state of being unworkable
- unwritten law — a law that rests for its authority on custom, judicial decision, etc., as distinguished from law originating in written command, statute, or decree.
- upgradability — an incline going up in the direction of movement.
- uralitization — the change of a crystalline silicate mineral to amphibole (one of a group of structurally similar minerals including calcium, sodium and magnesium)
- vacuum filter — A vacuum filter is a filter in which the liquid passes through more easily because of a vacuum on the liquid output side.
- vascularities — pertaining to, composed of, or provided with vessels or ducts that convey fluids, as blood, lymph, or sap.
- ventriloquial — of, relating to, or using ventriloquism.
- vermiculation — to work or ornament with wavy lines or markings resembling the form or tracks of a worm.
- vernacularist — someone who uses vernacular speech
- vernacularity — the quality or state of being vernacular
- villeggiatura — a (country) holiday
- virtual human — a computer-generated moving image of a human being, used esp in films as an extra in large crowd scenes
- virtual image — an optical image formed by the apparent divergence of rays from a point, rather than their actual divergence from a point
- visual artist — someone involved in the arts of painting, sculpting, photography, etc, as opposed to music, drama, and literature
- visual cortex — the portion of the cerebral cortex of the brain that receives and processes impulses from the optic nerves.
- voluntariness — done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
- voluntaristic — Philosophy. any theory that regards will as the fundamental agency or principle, in metaphysics, epistemology, or psychology.