13-letter words containing a, c, o, u, r, t
- underreaction — to react with less than the expected or appropriate emotion.
- undirectional — of, relating to, or indicating direction in space.
- undoctrinaire — a person who does not subscribe to a particular doctrine or theory; a free thinker
- 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.
- 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
- 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.
- 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.
- voluntaristic — Philosophy. any theory that regards will as the fundamental agency or principle, in metaphysics, epistemology, or psychology.
- ward of court — a person, esp a minor or one legally incapable of managing his own affairs, placed under the control or protection of a guardian or of a court
- waste product — material discarded as useless in the process of producing something.
- watch out for — remain vigilant for, beware of
- xanthochroous — light-skinned and fair-haired