13-letter words containing u, n, d, l, a, t
- unilluminated — not lit up or bright with light
- unillustrated — not containing illustrations
- unmanipulated — not manipulated
- unmetabolised — not metabolised
- unmetabolized — not metabolized
- unobliterated — to blot out or render undecipherable (writing, marks, etc.); efface.
- unplasticized — not made plastic, as by the addition of a plasticizer
- unpredictable — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unpredictably — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unputdownable — (especially of a book or periodical) so interesting or suspenseful as to compel reading.
- unsteadfastly — in an unsteadfast manner
- untraditional — of or relating to tradition.
- unwarrantedly — in an unwarranted manner
- upland cotton — a plant, Gossypium hirsutum, of warm regions of the New World, that is the chief commercial cotton crop in the U.S.
- wild huntsman — the leader of the Wild Hunt, often associated with Odin.
- wolffian duct — a duct, draining the mesonephros of the embryo, that becomes the vas deferens in males and vestigial in females.