| BUTTERFISHES | • butterfishes n. Plural of butterfish. • BUTTERFISH n. a name given to several different fishes, in allusion to their slippery coating of mucus. |
| COUNTERFEITS | • counterfeits n. Plural of counterfeit. • counterfeits v. Third-person singular simple present indicative form of counterfeit. • COUNTERFEIT v. to imitate or feign esp. with intent to deceive. |
| FLITTERMOUSE | • flittermouse n. (Now chiefly dialectal) A bat (flying mammal). • flitter-mouse n. Alternative form of flittermouse. • FLITTERMOUSE n. (dialect) a bat. |
| FRUITFULLEST | • fruitfullest adj. Superlative form of fruitful: most fruitful. • FRUITFUL adj. productive. |
| FUGITOMETERS | • FUGITOMETER n. an instrument used for measuring the fastness to light of dyed materials. |
| MUTESSARIFAT | • mutessarifat n. In Turkey, a sanjak whose head is a mutessarif. • MUTESSARIFAT n. the office of a mutessarif, the head of a Turkish sanjak, a district or a subdivision of a vilayet. |
| SUBFERTILITY | • subfertility n. Abnormally low fertility. • SUBFERTILITY n. the state of being subfertile. |
| SULFURETTING | • sulfuretting v. Present participle of sulfuret. • SULFURET v. to treat with sulfur, also SULPHURET. |
| TITANIFEROUS | • titaniferous adj. (Of an ore) Containing or yielding titanium. • TITANIFEROUS adj. bearing titanium. |
| TRISTFULNESS | • tristfulness n. Sadness; sorrow; melancholy. • TRISTFULNESS n. the state of being tristful. |
| ULTRAFILTERS | • ultrafilters n. Plural of ultrafilter. • ULTRAFILTER v. to pass through an ultrafilter. |
| ULTRALEFTISM | • ultraleftism n. Ultraleft beliefs generally. • ULTRALEFTISM n. support of the extreme left. |
| ULTRALEFTIST | • ultraleftist n. A person of ultraleft politics. • ULTRALEFTIST n. one who supports the extreme Left. |
| UNSTRATIFIED | • unstratified adj. Not stratified. • UNSTRATIFIED adj. not stratified. |
| UNTHRIFTIEST | • unthriftiest adj. Superlative form of unthrifty: most unthrifty. • UNTHRIFTY adj. not thrifty. |