| BAULKINESS | • BAULKINESS n. the state of being baulky. |
| BRUSHLANDS | • brushlands n. Plural of brushland. • BRUSHLAND n. an area covered with brush growth. |
| BULLSNAKES | • bullsnakes n. Plural of bullsnake. • BULLSNAKE n. an American burrowing snake. |
| SCRUBLANDS | • scrublands n. Plural of scrubland. • SCRUBLAND n. land covered by scrub. |
| SHRUBLANDS | • shrublands n. Plural of shrubland. • SHRUBLAND n. land covered by shrubs. |
| SUBALTERNS | • subalterns n. Plural of subaltern. • SUBALTERN n. a person holding a subordinate position; specifically, a junior officer (as in the British army). |
| SUBLATIONS | • sublations n. Plural of sublation. • SUBLATION n. the act of taking or carrying away. |
| SUBLEASING | • subleasing v. Present participle of sublease. • sub-leasing v. Present participle of sub-lease. • SUBLEASE v. to rent leased property to another, also SUBLET. |
| SUBNORMALS | • subnormals n. Plural of subnormal. • SUBNORMAL n. one who is subnormal. |
| SUBSTERNAL | • substernal adj. (Anatomy) under the sternum. • SUBSTERNAL adj. positioned below the breastbone. |
| UNMISSABLE | • unmissable adj. Not to be missed; thoroughly worth seeing or experiencing. • unmissable adj. Impossible to miss. • UNMISSABLE adj. that cannot be missed. |
| UNPASSABLE | • unpassable adj. Not able to be passed. • unpassable adj. (LGBT) Unable to pass successfully as the gender one wishes to be seen as. • UNPASSABLE adj. impassable. |
| UNSAYABLES | • UNSAYABLE n. something that cannot be said. |
| UNSEISABLE | • UNSEISABLE adj. that cannot be possessed by seisin. |
| UNSTABLEST | • unstablest adj. Superlative form of unstable: most unstable. • UNSTABLE adj. not stable, also INSTABLE. |
| USABLENESS | • usableness n. The quality of being usable. • USABLENESS n. the state of being usable, also USEABLENESS. |