| AUSFORMED | • ausformed v. Simple past tense and past participle of ausform. • AUSFORM v. (German) to deform, quench, and temper a metal. |
| FARMHOUSE | • farmhouse n. A house (usually the main house) on a farm; thus… • farm␣house n. Alternative form of farmhouse. • FARMHOUSE n. the farmer's house attached to a farm. |
| FEUDALISM | • feudalism n. A social system based on personal ownership of resources and personal fealty between a suzerain (lord)… • FEUDALISM n. the feudal system; a system by which the holding of estates in land is made dependent upon an obligation to render military service to the king or feudal superior. |
| FLAMBEAUS | • flambeaus n. Plural of flambeau. • FLAMBEAU n. (French) a flaming torch. |
| FLAMEOUTS | • flameouts n. Plural of flameout. • flame-outs n. Plural of flame-out. • FLAMEOUT n. a failure of a jet engine in flight. |
| FLAMMULES | • flammules n. Plural of flammule. • FLAMMULE n. a little flame. |
| FRAUDSMEN | • fraudsmen n. Plural of fraudsman. • FRAUDSMAN n. a person involved in criminal fraud. |
| FUMARASES | • fumarases n. Plural of fumarase. • FUMARASE n. an enzyme that catalyses the interconversion of fumaric or malic acid and their salts. |
| FUMARATES | • fumarates n. Plural of fumarate. • FUMARATE n. a salt of fumaric acid. |
| FUMAROLES | • fumaroles n. Plural of fumarole. • FUMAROLE n. a hole which emits volcanic vapours, also FUMEROLE. |
| FUMIGATES | • fumigates v. Third-person singular simple present indicative form of fumigate. • FUMIGATE v. to subject to fumes to kill pests. |
| MASTERFUL | • masterful adj. Of or pertaining to the manner of a master of an art, technique, profession, or craft; masterly. • masterful adj. In the manner of a master; very skillful. • masterful adj. Having or showing the qualities of a master vis-a-vis a dependent or subordinate; authoritative; domineering. |
| SUBFRAMES | • subframes n. Plural of subframe. • SUBFRAME n. a frame for the attachment of a finish frame. |
| SUPERFARM | • superfarm n. A large commercial farm, as opposed to the traditional smaller farms owned by families. • SUPERFARM n. a very big farm. |