13-letter words containing p, a, r, l, n
- 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.
- uniparentally — in a uniparental manner
- unparallelled — not paralleled; unequaled or unmatched; peerless; unprecedented: unparalleled athletic ability.
- unperceivable — imperceptible
- unperceivably — imperceptibly
- unperformable — to carry out; execute; do: to perform miracles.
- unpersuadable — not open or susceptible to persuasion
- unperturbable — to disturb or disquiet greatly in mind; agitate.
- unplagiarized — to take and use by plagiarism.
- unpleasurable — such as to give pleasure; enjoyable; agreeable; pleasant: a pleasurable experience.
- unpleasurably — without pleasure, in an unpleasurable manner
- unpolarizable — not capable of being polarized
- 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.
- unpresentable — not fit to be shown or introduced to other people
- unpreventable — not able to be prevented
- 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.
- unrepentantly — repenting; penitent; experiencing repentance.
- unreplaceable — to assume the former role, position, or function of; substitute for (a person or thing): Electricity has replaced gas in lighting.
- unreprievable — not able to be reprieved, eased, or postponed
- unreproachful — not deserving reproach or blame
- unrespectable — not able to be respected
- unspectacular — of or like a spectacle; marked by or given to an impressive, large-scale display.
- unspiritually — in an unspiritual manner
- unsuperficial — external or outward: a superficial resemblance.
- unsupportable — capable of being supported; endurable; maintainable.
- unsurpassable — to go beyond in amount, extent, or degree; be greater than; exceed.
- unsurpassably — in an unsurpassable manner; in a way that cannot be surpassed
- upland plover — a large, field-inhabiting sandpiper, Bartramia longicauda, of eastern North America, resembling a plover: now protected and increasing in numbers.
- upperclassman — a junior or senior in a secondary school or college.
- urban planner — a person who plans and designs urban areas
- valet parking — a service offered by a hotel, restaurant, etc., by which patrons' cars are parked by an attendant.
- venus flytrap — firewall machine
- virginia plan — a plan, unsuccessfully proposed at the Constitutional Convention, providing for a legislature of two houses with proportional representation in each house and executive and judicial branches to be chosen by the legislature.
- walter piston — Walter, 1894–1976, U.S. composer.
- water spaniel — either of two breeds of spaniels, used for retrieving waterfowl.
- wild spaniard — any of various subalpine perennials of the genus Aciphylla of New Zealand, with sharp leaves
- wolverhampton — a city in West Midlands, in W England.
- xiphiplastron — the fourth lateral plate of a turtle's plastron