| ADULTEROUS | • adulterous adj. Of, or characterized by adultery. • ADULTEROUS adj. relating to, characterized by, or given to adultery. |
| DRUPACEOUS | • drupaceous adj. Of, relating to, resembling, or producing drupes. • DRUPACEOUS adj. pertaining to drupes or stone-fruits. |
| DURALUMINS | • duralumins n. Plural of duralumin. • DURALUMIN n. (tradename) a strong light aluminum alloy containing copper, also DURAL, DURALUMINIUM. |
| GUARDHOUSE | • guardhouse n. A station for guards, especially at the entrance of a town, castle, etc. • guardhouse n. Synonym of military prison. • Guardhouse prop.n. A hamlet near Threlkeld, Eden district, Cumbria, England (OS grid ref NY3325). |
| QUADRUMANS | • quadrumans n. Plural of quadruman. • QUADRUMAN n. a former name for primates other than man, also QUADRUMANE. |
| QUADRUPEDS | • quadrupeds n. Plural of quadruped. • QUADRUPED n. a four-footed animal. |
| QUADRUPLES | • quadruples v. Third-person singular simple present indicative form of quadruple. • quadruples n. Plural of quadruple. • QUADRUPLE v. to increase fourfold. |
| RUNAROUNDS | • runarounds n. Plural of runaround. • run-arounds n. Plural of run-around. • run␣arounds n. Plural of run around. |
| SUDATORIUM | • sudatorium n. A hot room used to induce sweating, steam room, steam bath, sauna. • SUDATORIUM n. (Latin) a sweat room in a bath. |
| SULFURATED | • sulfurated adj. Treated or combined with sulfur. • sulfurated adj. (Organic chemistry) Modified by the addition of sulfide bonds. • SULFURATE v. to combine with sulfur, also SULPHURATE. |
| SUPPURATED | • suppurated v. Simple past tense and past participle of suppurate. • SUPPURATE v. to discharge pus. |
| SUSURRATED | • susurrated v. Simple past tense and past participle of susurrate. • SUSURRATE v. to whisper. |
| ULTRASOUND | • ultrasound n. (Physics) Sound with a frequency greater than the upper limit of human hearing, which is approximately 20 kilohertz. • ultrasound n. (Medicine) The use of ultrasonic waves for diagnostic or therapeutic purposes. • ultrasound v. (Transitive, intransitive) To treat with ultrasound. |
| UNCANDOURS | • UNCANDOUR n. a lack of candour, also UNCANDOR. |
| UNDULATORS | • undulators n. Plural of undulator. • UNDULATOR n. one that undulates. |
| UNMEASURED | • unmeasured adj. Not having been measured. • unmeasured adj. Beyond measure; vast; measureless. • UNMEASURED adj. not limited or known by measurement. |
| UNPASTURED | • unpastured adj. Not pastured. • UNPASTURED adj. not pastured. |
| UNSURFACED | • unsurfaced adj. (Roads) Not having a tar macadam (asphalt) surface. • unsurfaced adj. (Paper) Rough, absorbent, without a glaze or finish. • unsurfaced adj. (Submarines) Below the surface. |
| UPDRAUGHTS | • updraughts n. Plural of updraught. • UPDRAUGHT n. an upwards movement of air, also UPDRAFT. |