| DISFOREST | • disforest v. To disafforest. • DISFOREST v. to clear of forest, also DISAFFOREST. |
| DRIFTLESS | • driftless adj. Having no drift or direction; without aim; purposeless. • DRIFTLESS adj. without drift. |
| FILISTERS | • filisters n. Plural of filister. • FILISTER n. a groove on a window frame, also FILLESTER, FILLISTER. |
| FIRSTNESS | • firstness n. The quality of being first; originality; priority. • FIRSTNESS n. the state of being first. |
| FRESCOIST | • frescoist n. A fresco painter. • FRESCOIST n. one who paints frescos, also FRESCOER. |
| FRISETTES | • frisettes n. Plural of frisette. • FRISETTE n. (French) a frizzed fringe of hair, also FRIZETTE. |
| FRISKIEST | • friskiest adj. Superlative form of frisky: most frisky. • FRISKY adj. lively and playful. |
| FROSTIEST | • frostiest adj. Superlative form of frosty: most frosty. • FROSTY adj. covered with frost. |
| FROWSIEST | • frowsiest adj. Superlative form of frowsy: most frowsy. • FROWSY adj. fusty, stuffy, also FROUZY, FROWSTY, FROWZY. |
| FRUITLESS | • fruitless adj. Bearing no fruit; barren. • fruitless adj. (Figuratively) Unproductive, useless. • fruitless adj. (Figuratively, archaic) Of a person: unable to have children; barren, infertile. |
| INFESTERS | • infesters n. Plural of infester. • INFESTER n. one who, or that which, infests. |
| RATFISHES | • ratfishes n. Plural of ratfish. • RATFISH n. a marine fish. |
| REDSHIFTS | • redshifts n. Plural of redshift. • red␣shifts n. Plural of red shift. • REDSHIFT n. the displacement of the light a receding object emits toward the red end of the spectrum. |
| SATISFIER | • satisfier n. A person who, or thing that satisfies. • SATISFIER n. one who satisfies. |
| SCURFIEST | • scurfiest adj. Superlative form of scurfy: most scurfy. • SCURFY adj. covered with scurf. |
| SPITFIRES | • spitfires n. Plural of spitfire. • Spitfires n. Plural of Spitfire. • spit-fires n. Plural of spit-fire. |
| TURFINESS | • turfiness n. The quality or state of being turfy. • TURFINESS n. the state of being turfy. |
| WASTRIFES | • WASTRIFE n. (Scots) wastefulness. |