| FATHOMLESSLY | • fathomlessly adv. In a fathomless manner, to a fathomless degree. • FATHOMLESS adv. incapable of being fathomed. |
| FELDSPATHOID | • feldspathoid n. (Mineralogy) Any of a small group of igneous, plutonic, and volcanic minerals formed in magma that did… • feldspathoid adj. (Mineralogy) Resembling a feldspar. • FELDSPATHOID n. any mineral of a group related to feldspar, also FELSPATHOID, FOID. |
| FELDSPATHOSE | • feldspathose adj. (Mineralogy) Containing feldspar. • FELDSPATHOSE adj. of or like feldspar, also FELDSPATHIC, FELSPATHIC, FELSPATHOSE. |
| FELSPATHOIDS | • felspathoids n. Plural of felspathoid. • FELSPATHOID n. any mineral of a group related to feldspar, also FELDSPATHOID, FOID. |
| FLOURISHIEST | • FLOURISHY adj. full of flourishes. |
| FOOLHARDIEST | • foolhardiest adj. Superlative form of foolhardy: most foolhardy. • FOOLHARDY adj. recklessly brave. |
| FORESIGHTFUL | • foresightful adj. Having, exercising, or characterised by foresight; forward-looking; prudent. • FORESIGHTFUL adj. full of foresight. |
| FOTHERGILLAS | • FOTHERGILLA n. any plant of the Fothergilla genus of North American deciduous shrubs of the witch-hazel family. |
| LOATHFULNESS | • loathfulness n. (Rare) The condition of being loathful; reluctance. • LOATHFULNESS n. the state of being loathful. |
| PHOTOFLASHES | • photoflashes n. Plural of photoflash. • PHOTOFLASH n. a photographic flash. |
| PLOUGHSTAFFS | • ploughstaffs n. Plural of ploughstaff. • PLOUGHSTAFF n. one of the handles of a plough, also PLOWSTAFF. |
| SCHOOLCRAFTS | • Schoolcrafts prop.n. Plural of Schoolcraft. • SCHOOLCRAFT n. (archaic) learning. |
| SHOPLIFTINGS | • shopliftings n. Plural of shoplifting. • SHOPLIFTING n. the act of stealing goods from a store. |
| SLOTHFULNESS | • slothfulness n. (Uncountable) The state or quality of being slothful. • slothfulness n. (Countable, rare) The result or product of being slothful. • SLOTHFULNESS n. the state of being slothful. |
| SOFTHEADEDLY | • softheadedly adv. In a softheaded manner. • SOFTHEADED adv. having or indicative of a weak, unrealistic, or uncritical mind. |
| THIOSULFATES | • thiosulfates n. Plural of thiosulfate. • THIOSULFATE n. any salt of thiosulphuric acid, also THIOSULPHATE. |
| THIOSULFURIC | • thiosulfuric adj. (Inorganic chemistry) Of or pertaining to thiosulfuric acid or its derivatives. • THIOSULFURIC adj. as in thiosulfuric acid, an unstable acid known only in solutions and in the form of its salts. |
| THOUSANDFOLD | • thousandfold adj. Multiplied by one thousand (1000), repeated a thousand times. • thousandfold adj. Having one thousand parts or members. • thousandfold adv. By a factor of a thousand. |
| TRICHLORFONS | • TRICHLORFON n. a crystalline compound used esp. as an insecticide, also TRICHLORPHON. |
| YOUTHFULNESS | • youthfulness n. The vitality characteristic of youth. • YOUTHFULNESS n. the state of being youthful. |