| FLABBERGASTED | • flabbergasted adj. Appalled, annoyed, exhausted or disgusted. • flabbergasted adj. (Euphemistic, rare) Damned. • flabbergasted v. Simple past tense and past participle of flabbergast. |
| FLABELLATIONS | • flabellations n. Plural of flabellation. • FLABELLATION n. the act of fanning. |
| FLACCIDNESSES | • FLACCIDNESS n. the state of being flaccid. |
| FLAGELLANTISM | • flagellantism n. The act of whipping oneself, typically for religious penance or for sexual excitement. • FLAGELLANTISM n. the practice of whipping oneself or another. |
| FLAGELLATIONS | • flagellations n. Plural of flagellation. • FLAGELLATION n. the act or practice of flagellating. |
| FLAGELLOMANIA | • flagellomania n. A penchant for whipping, or being whipped. • FLAGELLOMANIA n. an obsession with flogging. |
| FLAMBOYANCIES | • flamboyancies n. Plural of flamboyancy. • FLAMBOYANCY n. the state of being flamboyant, also FLAMBOYANCE. |
| FLAMEPROOFERS | • flameproofers n. Plural of flameproofer. • FLAMEPROOFER n. one who flameproofs. |
| FLAMEPROOFING | • flameproofing v. Present participle of flameproof. • FLAMEPROOF v. to make resistant to damage or burning on contact with flame. |
| FLAMETHROWERS | • flamethrowers n. Plural of flamethrower. • flame␣throwers n. Plural of flame thrower. • FLAMETHROWER n. a device that expels from a nozzle a burning stream of liquid or semiliquid fuel under pressure. |
| FLAMMULATIONS | • flammulations n. Plural of flammulation. • FLAMMULATION n. flamelike marking. |
| FLANNELBOARDS | • flannelboards n. Plural of flannelboard. • FLANNELBOARD n. a teaching aid consisting of a board covered with flannel. |
| FLANNELGRAPHS | • flannelgraphs n. Plural of flannelgraph. • FLANNELGRAPH n. a display board covered with flannel or felt, on which letters, pictures, etc. backed with material will stick when pressed against it. |
| FLASHFORWARDS | • flashforwards n. Plural of flashforward. • FLASHFORWARD n. a transition in a novel, film, etc., to a scene or event in the future. |
| FLASHMOBBINGS | • FLASHMOBBING n. the practice of gathering at a given place in response to a message. |
| FLAUNTINESSES | • FLAUNTINESS n. the state of being flaunty. |
| FLAVOPROTEINS | • flavoproteins n. Plural of flavoprotein. • FLAVOPROTEIN n. a protein which serves as an electron carrier in the electron transfer chain. |
| FLAVOPURPURIN | • flavopurpurin n. (Organic chemistry) 1,2,6-trihydroxyanthraquinone. • FLAVOPURPURIN n. a yellow crystalline dye derived from anthraquinone. |