fathom n. A measure of length, 6 feet. fatuous adj. Idiotic
faulty adj. Imperfect.
faun n. One of a class of deities of the woods and herds represented as half human, with goats feet.
fawn n. A young deer. fealty n. Loyalty.
feasible adj. That may be done, performed, or effected; practicable. federate v. To league together.
feint n. Any sham, pretense, or deceptive movement.
felicitate v. To wish joy or happiness to, especially in view of a coming event. felicity n. A state of well-founded happiness.
felon n. A criminal or depraved person.
felonious adj. Showing criminal or evil purpose.
felony n. One of the highest class of offenses, and punishable with death or imprisonment. feminine adj. Characteristic of woman or womankind.
fernery n. A place in which ferns are grown.
ferocious adj. Of a wild, fierce, and savage nature.
ferocity n. Savageness.
fervent adj. Ardent in feeling.
fervid adj. Intense.
fervor n. Ardor or intensity of feeling. festal adj. Joyous.
festive adj. Merry.
fete n. A festival or feast.
fetus n. The young in the womb or in the egg.
feudal adj. Pertaining to the relation of lord and vassal. feudalism n. The feudal system.
fez n. A brimless felt cap in the shape of a truncated cone, usually red with a black tassel. fiasco n. A complete or humiliating failure.
fickle adj. Unduly changeable in feeling, judgment, or purpose. fictitious adj. Created or formed by the imagination.
fidelity n. Loyalty.
fiducial adj. Indicative of faith or trust.
fief n. A landed estate held under feudal tenure. filibuster n. One who attempts to obstruct legislation. finale n. Concluding performance.
finality n. The state or quality of being final or complete. finally adv. At last.
financial adj. Monetary.
financier n. One skilled in or occupied with financial affairs or operations. finery n. That which is used to decorate the person or dress.
finesse n. Subtle contrivance used to gain a point.
finite adj. Limited.
fiscal adj. Pertaining to the treasury or public finances of a government. fishmonger n. One who sells fish.
fissure n. A crack or crack-like depression. fitful adj. Spasmodic.
fixture n. One who or that which is expected to remain permanently in its position. flag-officer n. The captain of a flag-ship.
flagrant adj. Openly scandalous.
flamboyant adj. Characterized by extravagance and in general by want of good taste. flatulence n. Accumulation of gas in the stomach and bowels.
flection n. The act of bending.
fledgling n. A young bird.
flexible adj. Pliable.
flimsy adj. Thin and weak.
flippant adj. Having a light, pert, trifling disposition.
floe n. A collection of tabular masses of floating polar ice.
flora n. The aggregate of plants growing without cultivation in a district. floral adj. Pertaining to flowers.
florid adj. Flushed with red.
florist n. A dealer in flowers.
fluctuate v. To pass backward and forward irregularly from one state or degree to another. fluctuation n. Frequent irregular change back and forth from one state or degree to another.
flue n. A smoke-duct in a chimney.
fluent adj. Having a ready or easy flow of words or ideas. f1uential adj. Pertaining to streams.
flux n. A state of constant movement, change, or renewal. foggy adj. Obscure.
foible n. A personal weakness or failing. foist v. To palm off.
foliage n. Any growth of leaves.
folio n. A sheet of paper folded once, or of a size adapted to folding once. folklore n. The traditions, beliefs, and customs of the common people. fondle v. To handle tenderly and lovingly.
foolery n. Folly.
foot-note n. A note of explanation or comment at the foot of a page or column. foppery n. Dandyism.
foppish adj. Characteristic of one who is unduly devoted to dress and the niceties of manners.
forbearance n. Patient endurance or toleration of offenses. forby adv. Besides.
forcible adj. Violent.
forecourt n. A court opening directly from the street. forejudge v. To judge of before hearing evidence.
forepeak n. The extreme forward part of a ship's hold, under the lowest deck. foreshore n. That part of a shore uncovered at low tide.
forebode v. To be an omen or warning sign of, especially of evil.
forecast v. To predict.
forecastle n. That part of the upper deck of a ship forward of the after fore-shrouds. foreclose v. To bar by judicial proceedings the equitable right of a mortgagor to redeem property.
forefather n. An ancestor.
forego v. To deny oneself the pleasure or profit of.
foreground n. That part of a landscape or picture situated or represented as nearest the spectator.
forehead n. The upper part of the face, between the eyes and the hair. foreign adj. Belonging to, situated in, or derived from another country. foreigner n. A citizen of a foreign country.
foreknowledge n. Prescience.
foreman n. The head man.
foreordain v. To predetermine.
foreordination n. Predestination.
forerun v. To go before as introducing or ushering in. foresail n. A square sail.
foresee v. To discern beforehand.
foresight n. Provision against harm or need. foretell v. To predict.
forethought n. Premeditation.
forfeit v. To lose possession of through failure to fulfill some obligation. forfend v. To ward off.
forgery n. Counterfeiting.
forgo v. To deny oneself.
formation n. Relative disposition of parts. formidable adj. Difficult to accomplish. formula n. Fixed rule or set form. forswear v. To renounce upon oath. forte n. A strong point.
forth adv. Into notice or view. forthright adv. With directness.
fortify v. To provide with defensive works. fortitude n. Patient courage.
foursome adj. Consisting of four. fracture n. A break.
fragile adj. Easily broken.
frailty n. Liability to be broken or destroyed. fragile adj. Capable of being broken.
frankincense n. A gum or resin which on burning yields aromatic fumes. frantic adj. Frenzied.
fraternal adj. Brotherly.
fraudulence n. Deceitfulness.
fraudulent adj. Counterfeit.
fray v. To fret at the edge so as to loosen or break the threads.
freemason n. A member of an ancient secret fraternity originally confined to skilled artisans.
freethinker n. One who rejects authority or inspiration in religion. free trade n. Commerce unrestricted by tariff or customs.
frequency n. The comparative number of any kind of occurrences within a given time or space. fresco n. The art of painting on a surface of plaster, particularly on walls and ceilings. freshness n. The state, quality, or degree of being fresh.
fretful adj. Disposed to peevishness.
frightful adj. Apt to induce terror or alarm.
frigid adj. Lacking warmth.
frigidarium n. A room kept at a low temperature for preserving fruits, meat, etc. frivolity n. A trifling act, thought, saying, or practice.
frivolous adj. Trivial.