fallacious, a. sophistical, misleading, illusive, untenable, inconsistent.

fallacy, n. deception, delusion, misconception; sophism, sophistry, paralogism.

fallals, n. pl. (Colloq.) frippery, gewgaws, ornaments.

fall away. emaciate; renounce, desert, rebel; apostatize, backslide; decline, languish.

fall back. recede, retreat, retire, withdraw.

fallen, a. dropped, prostrate, degraded, depreciated, debased.

fallibility, n. errancy.  Antonym:  infallibility.

fallible, a. errable, erring.  Antonym:  infallible.

fall in. collapse, cave in.

falling away. emaciation, pining; renunciation, desertion, revolt, unfaithfulness; apostasy, defection, backsliding; decline, declension.

falling back. recession, retreat, retirement, withdrawal.

falling down. prostration, collapse.

falling in with. meeting; concurrence, agreement, compliance.

falling off. dropping; withdrawal, separation, detachment; apostasy, defection, desertion; depreciation, deterioration.

falling out.  See quarrel.

falling short. deficiency, inadequacy, deficit, shortcoming.

falling sickness. epilepsy.

falling star. meteor.

falling stone. meteorite, aerolite.

falling to pieces. disintegration, dilapidation.—­a. ramshackle, dilapidated, disintegrating.

fall off. drop; withdraw, separate; apostatize, backslide; depreciate, deteriorate.

fall on. attack, assault, assail.

fall out.  See quarrel.

fallow, a. uncultivated, untilled; dormant, inactive.

fall short. be deficient, be inadequate.

fall to pieces. disintegrate.

false, a. spurious, forged, counterfeit, sham, supposititious, unauthentic, bogus, feigned, fallacious, make believe, hypocritical, assumed, pseudo, sophistical, untenable; unveracious, dishonest, erroneous, untruthful; disloyal, perfidious, traitorous, disingenuous, insincere, recreant, faithless, unfaithful.

false friend. traitor, betrayer, Judas.

falsehood, n. inveracity, untruthfulness; lie, fiction, untruth, mendacity, fabrication, canard.

false key. picklock.

false name. pseudonym, nom de plume.  Associated words:  pseudonymous, pseudonymity, pseudepigraphous pseudepigraphy.

false swearing. perjury.

false writing. forgery, pseudography, pseudograph.

falsification, n. counterfeiting, forgery, falsifying; misrepresentation, distortion.

falsify, v. misstate, misrepresent, garble, distort, pervert; confute, refute, disprove.

falter, v. hesitate, tremble, waver, vacillate.

faltering, a. wavering, hesitating.

faltering, n. hesitation, indecision, wavering, vacillation.

fame, n. celebrity, note, eminence, renown, glory, reputation, repute.  Antonyms:  obscurity, ingloriousness, oblivion, ignominy, disrepute.