| FALSIFIES | • falsifies v. Third-person singular simple present indicative form of falsify. • FALSIFY v. to misrepresent. |
| FALSITIES | • falsities n. Plural of falsity. • FALSITY n. something false. |
| FILISTERS | • filisters n. Plural of filister. • FILISTER n. a groove on a window frame, also FILLESTER, FILLISTER. |
| FILMINESS | • filminess n. The quality of being filmy. • FILMINESS n. the state of being filmy. |
| FINALISES | • finalises v. Third-person singular simple present indicative form of finalise. • FINALISE v. to completely finish, also FINALIZE. |
| FISHLINES | • fishlines n. Plural of fishline. • FISHLINE n. a line used in fishing. |
| FLIMSIEST | • flimsiest adj. Superlative form of flimsy: most flimsy. • FLIMSY adj. lacking strength. |
| FLIPSIDES | • flipsides n. Plural of flipside. • flip␣sides n. Plural of flip side. • FLIPSIDE n. the reverse of something; a less familiar aspect of anything. |
| FLISKIEST | • FLISKY adj. (Scots) restive, whimsical. |
| FLUIDISES | • fluidises v. Third-person singular simple present indicative form of fluidise. • FLUIDISE v. to make fluid, also FLUIDIZE, FLUIDIFY. |
| FOSSILISE | • fossilise v. Alternative spelling of fossilize. • FOSSILISE v. to turn into a fossil, also FOSSILIZE. |
| FOSSILIZE | • fossilize v. (Transitive) to make into a fossil. • fossilize v. (Intransitive) to become a fossil. • fossilize v. (Figurative, by extension, intransitive) To become inflexible or outmoded. |
| FUSILIERS | • fusiliers n. Plural of fusilier. • Fusiliers prop.n. Plural of Fusilier. • FUSILIER n. a soldier armed with a fusil, also FUSILEER. |
| MISFIELDS | • misfields v. Third-person singular simple present indicative form of misfield. • misfields n. Plural of misfield. • MISFIELD v. to field badly. |
| SALSIFIES | • salsifies n. Plural of salsify. • SALSIFY n. the oyster plant, a purple-flowered European composite plant cultivated for its edible root tasting like oysters. |