| GUNPOWDERIER | • GUNPOWDERY adj. like gunpowder. |
| PERADVENTURE | • peradventure adv. (Archaic) Perchance or maybe; perhaps; supposing. • peradventure n. Chance, doubt or uncertainty. • PERADVENTURE adj. by chance. |
| SUPERHARDENS | • superhardens v. Third-person singular simple present indicative form of superharden. • SUPERHARDEN v. to harden to extremes. |
| SUPERREFINED | • superrefined adj. Very highly refined. • SUPERREFINE v. to refine to a very high degree. |
| UNDERDAMPERS | • underdampers n. Plural of underdamper. • UNDERDAMPER n. in a type of upright piano, a damper positioned below the hammers. |
| UNDERKEEPERS | • underkeepers n. Plural of underkeeper. • UNDERKEEPER n. a subordinate keeper. |
| 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. |
| UNDERPRAISED | • underpraised v. Simple past tense and past participle of underpraise. • UNDERPRAISE v. to praise insufficiently. |
| UNDERPRAISES | • underpraises v. Third-person singular simple present indicative form of underpraise. • UNDERPRAISE v. to praise insufficiently. |
| 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. |
| UNDERTRUMPED | • undertrumped v. Simple past tense and past participle of undertrump. • UNDERTRUMP v. to play a lower trump on a trick to which a higher trump has already been played. |
| UNPERFORATED | • unperforated adj. Not perforated. • UNPERFORATED adj. not perforated. |
| UNPREPAREDLY | • unpreparedly adv. In an unprepared manner. • UNPREPARED adv. UNPREPARE, to make unprepared. |
| UNPRESCRIBED | • unprescribed adj. Not prescribed. • UNPRESCRIBED adj. not prescribed. |
| UNPROPERTIED | • unpropertied adj. Not propertied; not having property. • UNPROPERTIED adj. not propertied. |
| UNREPROACHED | • unreproached adj. Not reproached. • UNREPROACHED adj. not reproached. |