| BIFURCATES | • bifurcates v. Third-person singular simple present indicative form of bifurcate. • BIFURCATE v. to fork. |
| BOARFISHES | • boarfishes n. Plural of boarfish. • BOARFISH n. a Mediterranean fish, so called from the resemblance of the extended lips to a hog's snout. |
| BRIEFCASES | • briefcases n. Plural of briefcase. • BRIEFCASE n. a small case for carrying briefs, or for documents in general. |
| FABRICATES | • fabricates v. Third-person singular simple present indicative form of fabricate. • FABRICATE v. to manufacture; to produce; to devise falsely. |
| FEBRICULAS | • febriculas n. Plural of febricula. • FEBRICULA n. a slight short fever, also FEBRICULE. |
| FIBERGLASS | • fiberglass n. (American spelling) Alternative form of fibreglass. • fiberglass v. (American spelling) Alternative form of fibreglass. • FIBERGLASS v. (US) to coat with fiberglass, a synthetic fibre made of fine filaments of molten glass, also FIBREGLASS. |
| FIBREGLASS | • fibreglass n. Silica based glass extruded into fibers that possess a length at least 1000 times greater than their width. • fibreglass n. Ellipsis of fibreglass wool. • fibreglass n. A composite material made from fine fibres of spun glass held together with resin. |
| FIMBRIATES | • fimbriates v. Third-person singular simple present indicative form of fimbriate. • FIMBRIATE v. to border with a narrow band or edge. |
| FIREBOARDS | • fireboards n. Plural of fireboard. • FIREBOARD n. a mantelpiece. |
| FIREBRANDS | • firebrands n. Plural of firebrand. • FIREBRAND n. a flaming stick; a hot-tempered person. |
| FIREBREAKS | • firebreaks n. Plural of firebreak. • fire␣breaks n. Plural of fire break. • FIREBREAK n. a strip of land kept clear to stop the spread of a fire. |
| FOREBRAINS | • forebrains n. Plural of forebrain. • FOREBRAIN n. the anterior region of the embryonic brain. |
| FORECABINS | • forecabins n. Plural of forecabin. • FORECABIN n. a cabin in the fore part of a ship. |
| FRAMBESIAS | • FRAMBESIA n. a tropical skin disease, aka yaws, also FRAMBOESIA. |
| FRAMBOESIA | • framboesia n. Alternative form of frambesia. • FRAMBOESIA n. a tropical skin disease, aka yaws, also FRAMBESIA. |
| FRAMBOISES | • framboises n. Plural of framboise. • FRAMBOISE n. (French) a brandy distilled from raspberries in the Alsace-Lorraine region. |
| FREEBASING | • freebasing v. Present participle of freebase. • free␣basing v. Present participle of free base. • FREEBASE v. to refine cocaine by heating it with ether. |