| EFFORTLESSLY | • effortlessly adv. Without effort; without difficulty or struggle. • EFFORTLESS adv. showing or requiring little or no effort. |
| FALDISTORIES | • faldistories n. Plural of faldistory. • FALDISTORY n. (obsolete) the throne or seat of a bishop within the chancel. |
| FLOURISHIEST | • FLOURISHY adj. full of flourishes. |
| FLUORESCENTS | • fluorescents n. Plural of fluorescent. • FLUORESCENT n. a substance showing fluorescence. |
| FOOTSLOGGERS | • footsloggers n. Plural of footslogger. • FOOTSLOGGER n. a soldier serving on foot. |
| FORESTALLERS | • forestallers n. Plural of forestaller. • FORESTALLER n. one who forestalls. |
| 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. |
| 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. |
| 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. |
| SPORTFULNESS | • sportfulness n. Playfulness. • SPORTFULNESS n. the state of being sportful. |
| STELLIFEROUS | • stelliferous adj. Filled with stars; starry. • STELLIFEROUS adj. having many stars. |
| STORMFULNESS | • stormfulness n. The quality of being stormful. • STORMFULNESS n. the state of being stormful, abounding with storms. |
| STRAWFLOWERS | • strawflowers n. Plural of strawflower. • STRAWFLOWER n. any Australian composite flowering plant of the genus Helichrysum. |