| DESULPHURING | • desulphuring v. Present participle of desulphur. • DESULPHUR v. to remove sulphur from, also DESULFUR. |
| GROUPUSCULES | • groupuscules n. Plural of groupuscule. • GROUPUSCULE n. a small clique or faction. |
| MUGWUMPERIES | • MUGWUMPERY n. the acts and views of a mugwump, a bolter from the Republican party in 1884; a political independent. |
| PREINAUGURAL | • preinaugural adj. Preceding or in preparation for an inauguration. • PREINAUGURAL adj. preceding an inauguration. |
| PSEUDOLOGUES | • pseudologues n. Plural of pseudologue. • PSEUDOLOGUE n. a pathological liar. |
| SULPHURETING | • sulphureting v. Present participle of sulphuret. • SULPHURET v. to treat with sulfur, also SULFURET. |
| SUPERGLUEING | • SUPERGLUE v. to glue with a powerful adhesive. |
| SUPERSURGEON | • supersurgeon n. An exceptionally talented or successful surgeon. • SUPERSURGEON n. an exceptional surgeon. |
| UNEXPUGNABLE | • unexpugnable adj. That cannot be expugned; safe from attack. • UNEXPUGNABLE adj. not expugnable. |
| UNEXPURGATED | • unexpurgated adj. Not expurgated, not having had anything objectionable removed. • UNEXPURGATED adj. not expurgated. |
| UNIMPUGNABLE | • unimpugnable adj. That cannot be impugned; beyond reproach or attack. • UNIMPUGNABLE adj. not impugnable. |
| UNSUSPECTING | • unsuspecting adj. Not suspecting; without any suspicion. • UNSUSPECTING adj. not suspecting. |
| UPPERCUTTING | • uppercutting v. Present participle of uppercut. • UPPERCUT v. to strike an upward blow. |
| UPTHUNDERING | • upthundering v. Present participle of upthunder. • UPTHUNDER v. to send up a noise like thunder. |