13-letter words containing d, u, n, l, a, p
- unplagiarized — to take and use by plagiarism.
- 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.
- unspecialized — not specialized
- upland cotton — a plant, Gossypium hirsutum, of warm regions of the New World, that is the chief commercial cotton crop in the U.S.
- upland plover — a large, field-inhabiting sandpiper, Bartramia longicauda, of eastern North America, resembling a plover: now protected and increasing in numbers.