| PLUMBAGINACEOUS | • plumbaginaceous adj. (Botany) Belonging to the Plumbaginaceae. • PLUMBAGINACEOUS adj. belonging to the Plumbaginaceae, leadworts. |
| PNEUMOBACILLUS | • PNEUMOBACILLUS n. a rod-shaped bacterium that occurs in the respiratory tract and which causes pneumonia. |
| SUBSPONTANEOUS | • subspontaneous adj. (Of plants) Partly cultivated by human labor and partly growing wild. • SUBSPONTANEOUS adj. less than spontaneous. |
| SUPERABOUND | • superabound v. (Intransitive, stative) To abound very much; to be superabundant. • SUPERABOUND v. to be superabundant. |
| SUPERABOUNDED | • superabounded v. Simple past tense and past participle of superabound. • SUPERABOUND v. to be superabundant. |
| SUPERABOUNDING | • superabounding v. Present participle of superabound. • superabounding n. Superabundance. • SUPERABOUND v. to be superabundant. |
| SUPERABOUNDS | • superabounds v. Third-person singular simple present indicative form of superabound. • SUPERABOUND v. to be superabundant. |
| UNPROCURABLE | • unprocurable adj. Unable to be procured. • UNPROCURABLE adj. not procurable. |
| UNPRONOUNCEABLE | • unpronounceable adj. Impossible or difficult to pronounce or articulate. • unpronounceable n. Something difficult or impossible to pronounce. • UNPRONOUNCEABLE adj. not pronounceable. |
| UNPUTDOWNABLE | • unputdownable adj. Of a person, etc.: difficult or impossible to put down (in various senses). • unputdownable adj. (Specifically) Of a book or other written work: so captivating or engrossing that one cannot bear to stop reading it. • un-put-downable adj. Alternative form of unputdownable. |
| UNSUPPORTABLE | • unsupportable adj. Not able to be supported or endured. • UNSUPPORTABLE adj. not supportable. |
| UNSUPPOSABLE | • unsupposable adj. Not supposable; beyond imagining. • UNSUPPOSABLE adj. not supposable. |
| UPBUOYANCE | • upbuoyance n. (Rare) The act of buoying up; uplifting. • UPBUOYANCE n. the act of buoying up. |
| UPBUOYANCES | • UPBUOYANCE n. the act of buoying up. |