| BUTTERFAT | • butterfat n. The fatty components of milk and other dairy products. • butter-fat n. Alternative form of butterfat. • butter␣fat n. Alternative form of butterfat. |
| FATUITIES | • fatuities n. Plural of fatuity. • FATUITY n. complacent stupidity. |
| FAULTIEST | • faultiest adj. Superlative form of faulty: most faulty. • FAULTY adj. imperfect. |
| FAUVETTES | • fauvettes n. Plural of fauvette. • FAUVETTE n. (French) a small singing bird, as the nightingale and warblers. |
| FISTULATE | • fistulate v. (Obsolete, transitive, intransitive) To make or become hollow like a fistula, or pipe. • fistulate adj. Hollowed like a fistula. • FISTULATE adj. hollow and cylindrical, like a pipe or reed, also FISTULAR, FISTULOSE, FISTULOUS. |
| FLATULENT | • flatulent adj. Affected by gas in the intestine; likely to fart. • flatulent adj. (Obsolete) Empty; vain. • FLATULENT adj. suffering from flatulence. |
| FLUCTUATE | • fluctuate v. (Intransitive) To vary irregularly; to swing. • fluctuate v. (Intransitive) To undulate. (Can we add an example for this sense?) • fluctuate v. (Intransitive) To be irresolute; to waver. |
| FLUSTRATE | • flustrate v. (Colloquial) To fluster. • FLUSTRATE v. (obsolete) to fluster. |
| FORTUNATE | • fortunate adj. Auspicious. • fortunate adj. Happening by good luck or favorable chance. • fortunate adj. Favored by fortune. |
| FRUCTUATE | • fructuate v. (Intransitive, archaic) to bear fruit. • FRUCTUATE v. to come to fruit, to fructify. |
| FRUSTRATE | • frustrate v. (Transitive) To disappoint or defeat; to vex by depriving of something expected or desired. • frustrate v. (Transitive) To hinder or thwart. • frustrate v. (Transitive) To cause stress or annoyance. |
| FUGHETTAS | • fughettas n. Plural of fughetta. • FUGHETTA n. (Italian) a short fugue. |
| FUSTIGATE | • fustigate v. (Transitive) To hit someone with a club. • fustigate v. (Figuratively) To harshly criticize someone. • FUSTIGATE v. (obsolete) to beat with a club. |
| INFATUATE | • infatuate v. (Transitive) To inspire with unreasoning love, attachment or enthusiasm. • infatuate v. (Transitive, obsolete) To make foolish. • infatuate adj. (Obsolete) Infatuated, foolishly attracted to (someone). |
| MATTERFUL | • matterful adj. Full of matter or material; pithy; informative. • MATTERFUL adj. (archaic) full of matter, pithy. |
| OUTFASTED | • outfasted v. Simple past tense and past participle of outfast. • OUTFAST v. to surpass in fasting. |
| OUTFEASTS | • outfeasts v. Third-person singular simple present indicative form of outfeast. • OUTFEAST v. to surpass in feasting. |
| TARTUFFES | • tartuffes n. Plural of tartuffe. • TARTUFFE n. (French) a hypocrite, esp. one who affects religious piety, also TARTUFE. |
| THREATFUL | • threatful adj. Threatening. • THREATFUL adj. full of threats; having a menacing appearance. |
| ULTRALEFT | • ultraleft adj. (Politics) Extremely left-wing. • ultraleft n. A person of extremely left-wing political beliefs. • ULTRALEFT n. the very far left in politics. |