| PLUMBIFEROUS | • plumbiferous adj. Producing or containing lead. • PLUMBIFEROUS adj. bearing or yielding lead. |
| PROBOULEUTIC | • probouleutic adj. Relating to the Ancient Greek council, which held preliminary discussions before submitting matters… • probouleutic adj. (UK, by extension) Pertaining to preliminary discussion before discussion in council, parliament, or… • PROBOULEUTIC adj. for preliminary deliberation. |
| SUBDUPLICATE | • subduplicate adj. (Mathematics) Expressed by the square root; said of ratios. • SUBDUPLICATE adj. expressed by a square root. |
| SUBMULTIPLES | • submultiples n. Plural of submultiple. • SUBMULTIPLE n. a quantity that divides into another exactly. |
| SUBOPERCULAR | • subopercular adj. (Anatomy) Situated below the operculum. • subopercular adj. (Anatomy) Relating to the suboperculum. • subopercular n. (Anatomy) The suboperculum. |
| SUBOPERCULUM | • suboperculum n. (Anatomy) The lower opercular bone in fishes. • SUBOPERCULUM n. in fishes, a bone below and partly behind the gill cover. |
| SUPERABOUNDS | • superabounds v. Third-person singular simple present indicative form of superabound. • SUPERABOUND v. to be superabundant. |
| SUPERSUBTILE | • supersubtile adj. Archaic form of supersubtle. • SUPERSUBTILE adj. (obsolete) overly subtle, also SUPERSUBTLE. |
| UNCAPTURABLE | • uncapturable adj. Not capturable; not able to be captured. • UNCAPTURABLE adj. that cannot be captured. |
| UNDISPUTABLE | • undisputable adj. (Less common) Alternative form of indisputable. • UNDISPUTABLE adj. not disputable. |
| UNEXPUGNABLE | • unexpugnable adj. That cannot be expugned; safe from attack. • UNEXPUGNABLE adj. not expugnable. |
| UNIMPUGNABLE | • unimpugnable adj. That cannot be impugned; beyond reproach or attack. • UNIMPUGNABLE adj. not impugnable. |
| UNPROCURABLE | • unprocurable adj. Unable to be procured. • UNPROCURABLE adj. not procurable. |
| UNPUBLICISED | • unpublicised adj. Alternative spelling of unpublicized. • UNPUBLICISED adj. not publicised, also UNPUBLICIZED. |
| UNPUBLICIZED | • unpublicized adj. Not publicized. • UNPUBLICIZED adj. not publicized, also UNPUBLICISED. |
| UNPUNISHABLE | • unpunishable adj. Not punishable; unable to be punished. • UNPUNISHABLE adj. not able to be punished. |
| UNREPULSABLE | • unrepulsable adj. That cannot be repulsed. • UNREPULSABLE adj. that cannot be repulsed. |
| UNSUPPOSABLE | • unsupposable adj. Not supposable; beyond imagining. • UNSUPPOSABLE adj. not supposable. |