| BOUNTIFULNESS | • bountifulness n. The characteristic of being bountiful. • BOUNTIFUL n. generous in giving. |
| FUNAMBULATING | • funambulating v. Present participle of funambulate. • FUNAMBULATE v. to walk the tightrope. |
| FUNAMBULATION | • funambulation n. The act of walking on ropes; tightrope walking. • FUNAMBULATION n. tightrope-walking. |
| INCUNABULISTS | • incunabulists n. Plural of incunabulist. • INCUNABULIST n. a student of incunabula. |
| INFUNDIBULATE | • infundibulate adj. Shaped like a funnel; infundibulated or infundibular. • INFUNDIBULATE adj. funnel-shaped, also INFUNDIBULAR. |
| SUBINVOLUTION | • subinvolution n. Partial or incomplete involution. • SUBINVOLUTION n. partial or complete failure of the uterus to return to its normal size in the six weeks following childbirth. |
| SUBLIEUTENANT | • sublieutenant n. Alternative form of sub-lieutenant. • sub-lieutenant n. (Military, navy) A commissioned officer of the navy whose rank is immediately below that of a lieutenant. • SUBLIEUTENANT n. a commissioned officer in the British navy ranking immediately below lieutenant. |
| TINTINNABULUM | • tintinnabulum n. A small clinking bell, particularly (historical) a small bell used to call monks to certain tasks. • tintinnabulum n. A set of bells or metal plates used as a musical instrument or as a toy. • TINTINNABULUM n. a usually high-pitched bell; a bell-rattle. |
| UNDERBUILDING | • underbuilding n. A substructure; foundation; infrastructure. • UNDERBUILD v. to build under in support; to build too little. |
| UNDERCLUBBING | • underclubbing v. Present participle of underclub. • UNDERCLUB v. in golf, to hit with a club that has too great loft to achieve the required distance. |
| UNNEIGHBOURLY | • unneighbourly adj. Not neighbourly; antisocial. • unneighbourly adv. In a way that is not neighbourly. • UNNEIGHBOURLY adj. not like a neighbour, also UNNEIGHBORLY. |
| UNSUBSTANTIAL | • unsubstantial adj. (Archaic) Insubstantial. • UNSUBSTANTIAL adj. not substantial. |
| UNSUSTAINABLE | • unsustainable adj. Not sustainable. • UNSUSTAINABLE adj. not sustainable. |
| UNSUSTAINABLY | • unsustainably adv. In an unsustainable manner. • UNSUSTAINABLE adv. not sustainable. |