| CAREFULLEST | • carefullest adj. Superlative form of careful: most careful. • CAREFUL adj. cautious. |
| DESULFURATE | • desulfurate v. Alternative form of desulphurate. • DESULFURATE v. to remove the sulphur from. |
| FEARFULLEST | • fearfullest adj. Superlative form of fearful: most fearful. • FEARFUL adj. full of fear. |
| FEATURELESS | • featureless adj. Without distinguishing features. • FEATURELESS adj. without features. |
| FLAVOURIEST | • FLAVOURY adj. full of flavour, also FLAVORY. |
| FLUORIDATES | • fluoridates v. Third-person singular simple present indicative form of fluoridate. • FLUORIDATE v. to add fluoride to drinking water. |
| FLUORINATES | • fluorinates v. Third-person singular simple present indicative form of fluorinate. • FLUORINATE v. to introduce fluorine into a chemical compound. |
| FRUGALITIES | • frugalities n. Plural of frugality. • FRUGALITY n. the state of being frugal. |
| LACTIFEROUS | • lactiferous adj. Able to secrete milk or a milky fluid. • LACTIFEROUS adj. milk-bearing. |
| LEAFCUTTERS | • leafcutters n. Plural of leafcutter. • leaf-cutters n. Plural of leaf-cutter. • leaf␣cutters n. Plural of leaf cutter. |
| MASTERFULLY | • masterfully adv. In a masterful manner; in an extremely confident and competent manner. • MASTERFUL adv. exercising the authority, skill or power of a master. |
| PERSULFATES | • persulfates n. Plural of persulfate. • PERSULFATE n. a sulphuric acid salt of a base peroxide, also PERSULPHATE. |
| PLATTERFULS | • platterfuls n. Plural of platterful. • PLATTERFUL n. the contents of a platter. |
| PLATTERSFUL | • plattersful n. Plural of platterful. • PLATTERFUL n. the contents of a platter. |
| QUATREFOILS | • quatrefoils n. Plural of quatrefoil. • QUATREFOIL n. a four-petalled flower or leaf of four leaflets; an openwork design or ornament divided by cusps into four lobes, also QUATREFEUILLE. |
| SUCRALFATES | • SUCRALFATE n. a drug used in the treatment of peptic ulcer. |
| TEARFULNESS | • tearfulness n. The quality of being tearful. • TEARFULNESS n. the state of being tearful. |
| ULTRAFICHES | • ultrafiches n. Plural of ultrafiche. • ULTRAFICHE n. a sheet of microfilm the same size as a microfiche but with a greater number of microcopied records on it. |
| WASTERFULLY | • WASTERFUL adv. (Scots) extravagant. |