Fallacy, fal′a-si, n. something fallacious: deceptive appearance: an apparently genuine but really illogical argument: (obs.) deception.—adj. Fallā′cious, calculated to deceive or mislead: not well founded: causing disappointment: delusive.—adv. Fallā′ciously.—n. Fallā′ciousness. [O. Fr. fallace, deceit—L. fallacia, from fallax, deceptive—fallĕre, to deceive.]
Fallal, fal′lal′, or fal-lal′, n. a piece of ribbon worn as a streamer, any trifling ornament.—adj. foppish, trifling.—n. Fallal′ery.—adv. Fallal′ishly.
Fallible, fal′i-bl, adj. liable to error or mistake.—n. Fallibil′ity, liability to err.—adv. Fall′ibly. [Fr.,—Low L. fallibilis, from fallĕre, to deceive.]
Fallopian, fal-lō′pi-an, adj. denoting two tubes or ducts through which the ova pass from the ovary to the uterus in the human subject. [So called because supposed to have been discovered by the Italian anatomist Fallopius (1523-62).]
Fallow, fal′ō, adj. left untilled or unsowed for a time.—n. land that has lain a year or more untilled or unsown after having been ploughed.—v.t. to plough land without seeding it.—ns. Fall′owness, state of being fallow or untilled; Green fall′ow, fallow where land is cleaned by a green crop, as turnips. [Ety. dub.; prob. an assumed A.S. fealgian, that may be confounded with the following word, from the reddish colour of unsown land.]
Fallow, fal′ō, adj. of a brownish-yellow colour.—ns. Fall′ow-chat, Fall′ow-finch, the wheatear or stonechat; Fall′ow-deer, a yellowish-brown deer smaller than the red-deer, with broad flat antlers. [A.S. falu; cf. Ger. fahl, Ice. folr.]
False, fawls, adj. deceptive or deceiving: untruthful: unfaithful to obligations: untrue: not genuine or real, counterfeit: hypocritical: not well founded, or not according to rule: artificial, as opposed to natural, of teeth, &c.—adv. incorrectly: faithlessly.—n. (Shak.) falsehood: untruth.—v.t. (Shak.) to betray.—ns. False conception, a uterine growth consisting of some degenerate mass instead of a fœtus; False′face, a mask.—adjs. False′-faced (Shak.), hypocritical; False′-heart′ed, treacherous, deceitful.—n. False′hood, state or quality of being false: want of truth: want of honesty: deceitfulness: false appearance: an untrue statement: a lie.—adv. False′ly.—ns. False′ness; Fals′er (Spens.), a deceiver, a liar.—adjs. Falsid′ical, deceptive; Fals′ish, somewhat false.—ns. Fals′ism, a self-evident falsity; Fals′ity, quality of being false: a false assertion.—Play one false, to act falsely or treacherously to a person; Put in a false position, to bring any one into a position in which he must be misunderstood. [O. Fr. fals (mod. faux)—L. falsus, pa.p. of fallĕre, to deceive.]
Falsetto, fawl-set′o, n. a forced voice of a range or register above the natural, the head voice. [It. falsetto, dim. of falso, false.]
Falsify, fawls′i-fī, v.t. to forge or counterfeit: to prove untrustworthy: to break by falsehood:—pr.p. fals′ifying; pa.p. fals′ified.—adj. Fals′ifīable, capable of being falsified.—ns. Falsificā′tion, the act of making false: the giving to a thing the appearance of something which it is not; Fals′ifier, one who falsifies. [Fr.,—Low L. falsificăre—L. falsus, false, facĕre, to make.]
Falstaffian, fal′staf-i-an, adj. like Shakespeare's Falstaff—corpulent, jovial, humorous, and dissolute.