| FAINEANT | • faineant n. An irresponsible or lazy person. • fainéant n. Alternative spelling of faineant. • FAINEANT n. (French) a lazy person. |
| FEINTING | • feinting v. Present participle of feint. • FEINT v. to make a pretence. |
| FENNIEST | • fenniest adj. Superlative form of fenny: most fenny. • FENNY adj. having fens. |
| FENTANYL | • fentanyl n. (Pharmacology) A synthetic opioid narcotic analgesic C22H28N2O with pharmacological action similar to… • FENTANYL n. a narcotic opioid. |
| FENTHION | • fenthion n. An organothiophosphate insecticide, avicide, and acaricide. • FENTHION n. an insecticide. |
| FERNINST | • ferninst prep. (US, regional) against. • FERNINST adv. right opposite to in location, also FOREANENT, FORNENST, FORNENT. |
| FINNIEST | • finniest adj. Superlative form of finny: most finny. • FINNY adj. having fins. |
| FONTANEL | • fontanel n. Alternative spelling of fontanelle. • FONTANEL n. a membrane-covered gap between the immature parietal bones in the skull of a foetus or infant, also FONTANELLE. |
| FONTANGE | • fontange n. A headdress popular among aristocrats in Europe in the late 17th century and early 18th century, made… • FONTANGE n. (French) a kind of tall headdress worn in the seventeenth century. |
| FORNENST | • fornenst prep. Alternative form of forenenst. • FORNENST adv. (Scots) right opposite to in location, also FERNINST, FOREANENT, FORNENT. |
| FRONDENT | • frondent adj. (Archaic) Covered with leaves; leafy. • FRONDENT adj. leafy. |
| FRONTMEN | • frontmen n. Plural of frontman. • front␣men n. Plural of front man. • FRONTMAN n. the presenter of a TV program. |
| FUNNIEST | • funniest adj. Superlative form of funny: most funny. • FUNNY adj. amusing. |
| INFANTES | • infantes n. Plural of infante. • Infantes prop.n. Plural of Infante. • INFANTE n. (historical) a title borne by every one of sons of the kings of Spain and Portugal, except the eldest or heir apparent. |
| INFINITE | • infinite adj. Indefinably large, countlessly great; immense. • infinite adj. Boundless, endless, without end or limits; innumerable. • infinite adj. (With plural noun) Infinitely many. |
| INFLUENT | • influent n. A stream which flows into another stream or a lake. • influent n. Fluids flowing in. • influent n. (Ecology) An organism having an important effect on a plant or animal community. |
| UNFASTEN | • unfasten v. (Transitive) To detach from any connecting agency or link; to disconnect. • unfasten v. (Intransitive) To come unloosed or untied. • UNFASTEN v. to release from a fastening. |