| BURSIFORM | • bursiform adj. Shaped like a purse or bag. • BURSIFORM adj. shaped like a pouch or purse. |
| CROSSRUFF | • crossruff n. (Bridge) A play in which tricks are taken by taking alternate ruffs in each hand. • crossruff v. (Bridge) To execute a play of this kind. • cross-ruff n. Alternative form of crossruff. |
| FAVOURERS | • favourers n. Plural of favourer. • FAVOURER n. one that favors, also FAVORER. |
| FERVOROUS | • fervorous adj. With fervour; fervent. • FERVOROUS adj. full of fervor. |
| FLUORSPAR | • fluorspar n. (Mineralogy) A halide mineral composed of calcium fluoride. • FLUORSPAR n. a mineral, calcium fluoride, also FLUOR, FLUORITE. |
| FORMULARS | • FORMULAR n. a model or set form. |
| FOURSCORE | • fourscore num. (Now archaic) Eighty. • fourscore num. (Idiomatic) A full-length life, reckoned as eighty years. • fourscore n. A quantity or amount of eighty. |
| FROIDEURS | • froideurs n. Plural of froideur. • FROIDEUR n. (French) coolness in personal relationships. |
| FRONDEURS | • frondeurs n. Plural of frondeur. • FRONDEUR n. (French) a member of the Fronde, a rebellious movement established in France during the reign of Louis XIV. |
| FROTTEURS | • frotteurs n. Plural of frotteur. • FROTTEUR n. (French) the active participant in frottage, in the sexual sense. |
| FROUFROUS | • froufrous n. Plural of froufrou. • frou-frous n. Plural of frou-frou. • FROUFROU n. (French) the rustling of silk; frills or decoration. |
| FURFUROLS | • furfurols n. Plural of furfurol. • FURFUROL n. a liquid obtained by heating bran with dilute sulphuric acid, also FURAL, FURFURAL, FURFURALDEHYDE, FURFUROLE, FUROL, FUROLE. |
| FURFUROUS | • furfurous adj. Furfuraceous. • FURFUROUS adj. containing bran or particles resembling bran, also FURFURACEOUS. |
| FURROWERS | • furrowers n. Plural of furrower. • FURROWER n. one that makes furrows. |
| OVERRUFFS | • overruffs n. Plural of overruff. • overruffs v. Third-person singular simple present indicative form of overruff. • OVERRUFF v. at cards, to trump with a higher card than those already played. |
| PROFUSERS | • PROFUSER n. a prodigal or spendthrift. |
| RUSTPROOF | • rustproof adj. Resistant to rust, oxidation and corrosion. • rustproof adj. Resistant to the rust fungus. • rustproof v. To make resistant to rust, such as by applying a coating. |
| RYEFLOURS | • RYEFLOUR n. a pasture and fodder type of grass, also RAYGRASS, RYEGRASS. |
| SORROWFUL | • sorrowful adj. (Of a person) exhibiting sorrow; dejected; distraught; sad. • sorrowful adj. Producing sorrow; causing grief. • SORROWFUL adj. sad. |
| SURFBOARD | • surfboard n. A shaped waterproof plank, usually made of wood or foam and reinforced plastic, used to surf on waves. • surfboard v. To use a surfboard; to surf. • SURFBOARD n. a long narrow board used in surfing. |