| COUNTERSUNK | • countersunk v. Past participle of countersink. • countersunk adj. (Of a bolt or screw) That has a flat conical top allowing it to be inserted flush with a surface. • COUNTERSINK v. to make a countersink on (a hole). |
| INDUMENTUMS | • INDUMENTUM n. (Latin) a total body covering of hair, fur or feathers. |
| NUNCIATURES | • nunciatures n. Plural of nunciature. • NUNCIATURE n. the office of a nuncio. |
| NURTURANCES | • nurturances n. Plural of nurturance. • NURTURANCE n. nurture. |
| TENUOUSNESS | • tenuousness n. The quality of being tenuous. • TENUOUSNESS n. the state of being tenuous. |
| TUNEFULNESS | • tunefulness n. The property of being tuneful. • TUNEFULNESS n. the state of being tuneful. |
| UNBOUNCIEST | • UNBOUNCY adj. not bouncy. |
| UNCOUTHNESS | • uncouthness n. The characteristic of being uncouth. • UNCOUTHNESS n. the state of being uncouth. |
| UNDERCOUNTS | • undercounts v. Third-person singular simple present indicative form of undercount. • UNDERCOUNT v. to miscount by counting too few. |
| UNFREQUENTS | • unfrequents v. Third-person singular simple present indicative form of unfrequent. • UNFREQUENT v. to stop frequenting. |
| UNINSULATED | • uninsulated adj. Lacking insulation; not insulated. • UNINSULATED adj. not insulated. |
| UNQUANTISED | • unquantised adj. Alternative form of unquantized. • UNQUANTISED adj. not quantised, also UNQUANTIZED. |
| UNQUIETNESS | • unquietness n. (Archaic) The state or condition of being unquiet; unease, restlessness. • UNQUIETNESS n. the state of being unquiet. |
| UNRESENTFUL | • unresentful adj. Not resentful; without resentment. • UNRESENTFUL adj. not resentful. |
| UNRULIMENTS | • UNRULIMENT n. (Spenser) unruliness. |
| UNSTAUNCHED | • unstaunched adj. Not staunched. • UNSTAUNCHED adj. not staunched. |
| UNSUSTAINED | • unsustained adj. Not sustained. • UNSUSTAINED adj. not sustained. |