| FABULOSITIES | • fabulosities n. Plural of fabulosity. • FABULOSITY n. fabulousness. |
| FALDISTORIES | • faldistories n. Plural of faldistory. • FALDISTORY n. (obsolete) the throne or seat of a bishop within the chancel. |
| FELSPATHOIDS | • felspathoids n. Plural of felspathoid. • FELSPATHOID n. any mineral of a group related to feldspar, also FELDSPATHOID, FOID. |
| FLECTIONLESS | • flectionless adj. (Grammar, dated) inflectionless. • FLECTIONLESS adj. without flection, also FLEXIONLESS. |
| FLOURISHIEST | • FLOURISHY adj. full of flourishes. |
| FONTINALISES | • FONTINALIS n. a moss of the Fontinalis genus of aquatic mosses. |
| FORESTAYSAIL | • forestaysail n. (Nautical) A triangular sail attached to the forestay. • FORESTAYSAIL n. the sail attached to a forestay. |
| FORTRESSLIKE | • fortresslike adj. Resembling a fortress in shape or impregnability. • FORTRESSLIKE adj. like a fortress. |
| FOUNTAINLESS | • fountainless adj. Without fountains. • FOUNTAINLESS adj. without a fountain. |
| FRICTIONLESS | • frictionless adj. Of or pertaining to lack of friction. • frictionless adj. (Finance) Of a transaction or trade, without tariffs and non-tariff barriers. • FRICTIONLESS adj. without friction. |
| FUNCTIONLESS | • functionless adj. Lacking a function. • FUNCTIONLESS adj. without function. |
| LOOSESTRIFES | • loosestrifes n. Plural of loosestrife. • LOOSESTRIFE n. a wild flower of the primrose family. |
| PROFITLESSLY | • profitlessly adv. In a profitless manner. • PROFITLESS adv. without profit. |
| PYROSULFITES | • pyrosulfites n. Plural of pyrosulfite. • PYROSULFITE n. as in sodium pyrosulfite, an inorganic compound used as a preservative, antioxidant and disinfectant. |
| SALUTIFEROUS | • salutiferous adj. (Now rare) Conducive to good health; healthy. • salutiferous adj. Conducive to safety or salvation. • SALUTIFEROUS adj. conducive to health or wellbeing. |
| SATINFLOWERS | • satinflowers n. Plural of satinflower. • SATINFLOWER n. another name for the greater stitchwort. |
| STELLIFEROUS | • stelliferous adj. Filled with stars; starry. • STELLIFEROUS adj. having many stars. |
| THIOSULFATES | • thiosulfates n. Plural of thiosulfate. • THIOSULFATE n. any salt of thiosulphuric acid, also THIOSULPHATE. |
| TOPLOFTINESS | • toploftiness n. The quality of being toplofty. • TOPLOFTINESS n. the state of being toplofty, high and mighty. |