| BURRAMUNDIS | • BURRAMUNDI n. (Native Australian) any of several Australian river-fish, also BARRAMUNDA, BARRAMUNDI. |
| FAUXBOURDON | • FAUXBOURDON n. (French) a type of improvised polyphony, popular in England from the 15th century to the Reformation, also FABURDEN. |
| INFUNDIBULA | • infundibula n. Plural of infundibulum. • INFUNDIBULUM n. a funnel-shaped body part (e.g. the nares). |
| ROUNDABOUTS | • roundabouts n. Plural of roundabout. • ROUNDABOUT v. to go round and round. |
| SUBAUDITION | • subaudition n. The act of understanding, or supplying, something not expressed. • subaudition n. That which is understood or supplied from that which is expressed. • SUBAUDITION n. understanding of something not expressed. |
| SUPERABOUND | • superabound v. (Intransitive, stative) To abound very much; to be superabundant. • SUPERABOUND v. to be superabundant. |
| SURTURBRAND | • surturbrand n. A fibrous brown coal or bituminous wood. • SURTURBRAND n. (Icelandic) a lignite found interbedded with lavas in Iceland, also SURTARBRAND. |
| UNBUDGEABLE | • unbudgeable adj. That cannot be made to budge; immovable, fixed. • UNBUDGEABLE adj. that cannot be budged. |
| UNBUDGEABLY | • unbudgeably adv. So as to be unbudgeable; immovably. • UNBUDGEABLE adv. that cannot be budged. |
| UNBUILDABLE | • unbuildable adj. Not buildable; that cannot be built. • UNBUILDABLE adj. that cannot be built. |
| UNDAUNTABLE | • undauntable adj. Incapable of being daunted; intrepid; fearless. • UNDAUNTABLE adj. that cannot be daunted. |
| UNDEBAUCHED | • undebauched adj. Not debauched. • UNDEBAUCHED adj. not debauched. |
| UNDOUBTABLE | • undoubtable adj. (Rare) Incapable of being doubted; undoubted; indubitable. • UNDOUBTABLE adj. that cannot be doubted. |
| UNENDURABLE | • unendurable adj. Not to be endured; intolerable. • UNENDURABLE adj. that cannot be endured. |
| UNENDURABLY | • unendurably adv. In an unendurable manner; intolerably. • UNENDURABLE adv. that cannot be endured. |
| UNHARBOURED | • unharboured v. Simple past tense and past participle of unharbour. • unharboured adj. (Obsolete) Offering no harbour or shelter. • UNHARBOUR v. to dislodge from shelter. |
| UNHUSBANDED | • unhusbanded adj. Without a husband; not married. • UNHUSBANDED adj. not husbanded. |
| UNSOUNDABLE | • unsoundable adj. Impossible to sound; whose depth cannot be gauged. • UNSOUNDABLE adj. not soundable. |
| UNSUBDUABLE | • unsubduable adj. That cannot be subdued; indomitable. • UNSUBDUABLE adj. that cannot be subdued. |
| UNWOUNDABLE | • unwoundable adj. Incapable of being wounded. • UNWOUNDABLE adj. not woundable. |