| GROUNDPROXES | • GROUNDPROX n. an altitude warning system in aircraft. |
| GUNPOWDERIER | • GUNPOWDERY adj. like gunpowder. |
| PARADOXURINE | • paradoxurine adj. Of, or pertaining to, the genus Paradoxurus. • PARADOXURINE n. any of a number of palm civet species. |
| PERDURATIONS | • PERDURATION n. lastingness, endurance, also PERDURANCE. |
| REPRODUCTION | • reproduction n. The act of reproducing new individuals biologically. • reproduction n. The act of making copies. • reproduction n. A copy of something, as in a piece of art; a duplicate. |
| SUPERORDINAL | • superordinal adj. (Taxonomy) supraordinal. • SUPERORDINAL adj. relating to a superorder. |
| UNDERPERFORM | • underperform v. To underachieve; to fail to reach standards or expectations, especially with respect to a financial investment. • UNDERPERFORM v. to perform insufficiently. |
| UNDERPOWERED | • underpowered v. Simple past tense and past participle of underpower. • underpowered adj. Having insufficient power for its operation. • UNDERPOWERED adj. driven by an engine of insufficient power. |
| UNDERPRODUCE | • underproduce v. To produce less than normal, or less than needed. • UNDERPRODUCE v. to produce less than the expected amount. |
| UNDERPROPPED | • underpropped v. Simple past tense and past participle of underprop. • UNDERPROP v. to prop from beneath. |
| UNDERPROPPER | • underpropper n. One who, or that which, underprops or supports. • UNDERPROPPER n. one who underprops. |
| UNDERREPORTS | • underreports v. Third-person singular simple present indicative form of underreport. • UNDERREPORT v. to report inadequately. |
| UNPERFORATED | • unperforated adj. Not perforated. • UNPERFORATED adj. not perforated. |
| UNPROCEDURAL | • unprocedural adj. Not procedural; not following established procedure. • UNPROCEDURAL adj. not procedural. |
| UNPROGRAMMED | • unprogrammed adj. Not programmed. • unprogrammed adj. (Quakerism) Having religious services that take the form of silent group meditation. • UNPROGRAMMED adj. not programmed. |
| UNPROPERTIED | • unpropertied adj. Not propertied; not having property. • UNPROPERTIED adj. not propertied. |
| UNREPROACHED | • unreproached adj. Not reproached. • UNREPROACHED adj. not reproached. |