| FISTFIGHTS | • fistfights n. Plural of fistfight. • fistfights v. Third-person singular simple present indicative form of fistfight. • fist-fights n. Plural of fist-fight. |
| FLIGHTIEST | • flightiest adj. Superlative form of flighty: most flighty. • FLIGHTY adj. fickle. |
| FOOTLIGHTS | • footlights n. Plural of footlight. • foot-lights n. Plural of foot-light. • FOOTLIGHT n. one of a row of lights along the front of a theatre stage. |
| FORETAUGHT | • foretaught v. Simple past tense and past participle of foreteach. • FORETEACH v. to teach beforehand. |
| FORTHOUGHT | • forthought v. Simple past tense and past participle of forthink. • FORTHINK v. to repent; to regret. |
| FORTHRIGHT | • forthright adj. Straightforward; not evasive; candid and direct. • forthright adj. Frank, outspoken. • forthright adj. Markedly simple. |
| FORTNIGHTS | • fortnights n. Plural of fortnight. • FORTNIGHT n. a period of two weeks. |
| FOUGHTIEST | • FOUGHTY adj. (dialect) musty, mouldy. |
| FRAUGHTEST | • fraughtest adj. Superlative form of fraught: most fraught. • FRAUGHT adj. laden with tension. |
| HOTFOOTING | • hotfooting v. Present participle of hotfoot. • HOTFOOT v. to hurry. |
| POSTFLIGHT | • postflight adj. After a flight. • POSTFLIGHT adj. after a flight. |
| THOUGHTFUL | • thoughtful adj. Demonstrating thought or careful consideration. • thoughtful adj. Demonstrating kindness or consideration for others. • THOUGHTFUL adj. absorbed in thought. |