| BOUNTEOUSNESS | • bounteousness n. The characteristic of being bounteous. • BOUNTEOUSNESS n. the state of being bounteous. |
| BOUNTIFULNESS | • bountifulness n. The characteristic of being bountiful. • BOUNTIFUL n. generous in giving. |
| INCUNABULISTS | • incunabulists n. Plural of incunabulist. • INCUNABULIST n. a student of incunabula. |
| SUBCONTINUOUS | • subcontinuous adj. Nearly continuous, but with slight interruptions. • SUBCONTINUOUS adj. partially continuous. |
| 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. |
| SUPERABUNDANT | • superabundant adj. Extremely or exceedingly abundant. • superabundant adj. (Number theory) Being or relating to a superabundant number. • SUPERABUNDANT adj. more than ample. |
| UNRETURNABLES | Sorry, definition not available. |
| UNSTAUNCHABLE | • unstaunchable adj. Incapable of being staunched, unstoppable. • UNSTAUNCHABLE adj. not staunchable. |
| 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. |
| UNTUNABLENESS | • untunableness n. (Now rare) The quality of not being tuneful. • UNTUNABLENESS n. the state of being untunable. |