untruth

• POS: Noun
• HYPHEN: un=truth

CIDE DICTIONARY

untruth, n. 

•  The quality of being untrue; contrariety to truth; want of veracity; also, treachery; faithlessness; disloyalty.  Chaucer.  [1913 Webster]
•  That which is untrue; a false assertion; a falsehood; a lie; also, an act of treachery or disloyalty.  Shak.  [1913 Webster]

Syn. -- Lie; falsehood. See Lie.

OXFORD DICTIONARY

untruth, n. (pl. untruths)
1 the state of being untrue, falsehood.
2 a false statement (told me an untruth).

Etymology

OE untreowth etc. (as UN-(1), TRUTH)

THESAURUS

untruth

aberrancy, aberration, blague, canard, cock-and-bull story, defectiveness, delusion, deviancy, distortion, errancy, erroneousness, error, exaggeration, fairy tale, fallaciousness, fallacy, falsehood, falseness, falsity, farfetched story, farrago, fault, faultiness, fib, fiction, fish story, flam, flaw, flawedness, flimflam, ghost story, half-truth, hamartia, heresy, heterodoxy, illusion, inveracity, legal fiction, lie, little white lie, mendacity, misapplication, misconstruction, misdoing, misfeasance, misinterpretation, misjudgment, misrepresentation, peccancy, perversion, pious fiction, prevarication, self-contradiction, sin, sinfulness, slight stretching, story, tale, tall story, tall tale, taradiddle, trumped-up story, truthlessness, unorthodoxy, untrueness, untruthfulness, white lie, yarn

ROGET THESAURUS

untruth

Falsehood

N falsehood, falseness, falsity, falsification, deception, untruth, guile, lying, untruth, guile, lying, misrepresentation, mendacity, perjury, false swearing, forgery, invention, fabrication, subreption, covin, perversion of truth, suppression of truth, suppressio veri, perversion, distortion, false coloring, exaggeration, prevarication, equivocation, shuffling, fencing, evasion, fraud, suggestio falsi, mystification, simulation, dissimulation, dissembling, deceit, blague, sham, pretense, pretending, malingering, lip homage, lip service, mouth honor, hollowness, mere show, mere outside, duplicity, double dealing, insincerity, hypocrisy, cant, humbug, jesuitism, jesuitry, pharisaism, Machiavelism, organized hypocrisy, crocodile tears, mealy-mouthedness, quackery, charlatanism, charlatanry, gammon, bun-kum, bumcombe, flam, bam, flimflam, cajolery, flattery, Judas kiss, perfidy, il volto sciolto i pensieri stretti, unfairness, artfulness, misstatement, false, deceitful, mendacious, unveracious, fraudulent, dishonest, faithless, truthless, trothless, unfair, uncandid, hollow-hearted, evasive, uningenuous, disingenuous, hollow, sincere, Parthis mendacior, forsworn, artificial, contrived, canting, hypocritical, jesuitical, pharisaical, tartuffish, Machiavelian, double, double tongued, double faced, double handed, double minded, double hearted, double dealing, Janus faced, smooth-faced, smooth spoken, smooth tongued, plausible, mealy-mouthed, affected, collusive, collusory, artful, perfidious, spurious, untrue, falsified, covinous, falsely, a la tartufe, with a double tongue, silly, blandae mendacia lingua, falsus in uno falsus in omnibus, I give him joy that's awkward at a lie, la mentira tiene las piernas cortas, O what a goodly outside falsehood hath, falsehood, falseness, falsity, falsification, deception, untruth, guile, lying, untruth, guile, lying, misrepresentation, mendacity, perjury, false swearing, forgery, invention, fabrication, subreption, covin, perversion of truth, suppression of truth, suppressio veri, perversion, distortion, false coloring, exaggeration, prevarication, equivocation, shuffling, fencing, evasion, fraud, suggestio falsi, mystification, simulation, dissimulation, dissembling, deceit, blague, sham, pretense, pretending, malingering, lip homage, lip service, mouth honor, hollowness, mere show, mere outside, duplicity, double dealing, insincerity, hypocrisy, cant, humbug, jesuitism, jesuitry, pharisaism, Machiavelism, organized hypocrisy, crocodile tears, mealy-mouthedness, quackery, charlatanism, charlatanry, gammon, bun-kum, bumcombe, flam, bam, flimflam, cajolery, flattery, Judas kiss, perfidy, il volto sciolto i pensieri stretti, unfairness, artfulness, misstatement, false, deceitful, mendacious, unveracious, fraudulent, dishonest, faithless, truthless, trothless, unfair, uncandid, hollow-hearted, evasive, uningenuous, disingenuous, hollow, sincere, Parthis mendacior, forsworn, artificial, contrived, canting, hypocritical, jesuitical, pharisaical, tartuffish, Machiavelian, double, double tongued, double faced, double handed, double minded, double hearted, double dealing, Janus faced, smooth-faced, smooth spoken, smooth tongued, plausible, mealy-mouthed, affected, collusive, collusory, artful, perfidious, spurious, untrue, falsified, covinous, falsely, a la tartufe, with a double tongue, silly, blandae mendacia lingua, falsus in uno falsus in omnibus, I give him joy that's awkward at a lie, la mentira tiene las piernas cortas, O what a goodly outside falsehood hath.

Deception

N deception, falseness, untruth, imposition, imposture, fraud, deceit, guile, fraudulence, fraudulency, covin, knavery, misrepresentation, bluff, straw-bail, straw bid, spoof, delusion, gullery, juggling, jugglery, slight of hand, legerdemain, prestigiation, prestidigitation, magic, conjuring, conjuration, hocus-pocus, escamoterie, jockeyship, trickery, coggery, chicanery, supercherie, cozenage, circumvention, ingannation, collusion, treachery, practical joke, trick, cheat, wile, blind, feint, plant, bubble, fetch, catch, chicane, juggle, reach, hocus, bite, card sharping, stacked deck, loaded dice, quick shuffle, double dealing, dealing seconds, dealing from the bottom of the deck, artful dodge, swindle, tricks upon travelers, stratagem, confidence trick, fake, hoax, theft, ballot-box stuffing, barney, brace game, bunko game, drop game, gum game, panel game, shell game, thimblerig, skin game, snare, trap, pitfall, decoy, gin, springe, springle, noose, hoot, bait, decoy-duck, tub to the whale, baited trap, guet-a-pens, cobweb, net, meshes, toils, mouse trap, birdlime, dionaea, Venus's flytrap, ambush, trapdoor, sliding panel, false bottom, spring-net, spring net, spring gun, mask, masked battery, mine, flytrap, green goods, panel house, Cornish hug, wolf in sheep's clothing, disguise, disguisement, false colors, masquerade, mummery, borrowed plumes, pattes de velours, mockery, copy, counterfeit, sham, make- believe, forgery, fraud, lie, a delusion a mockery and a snare, hollow mockery, whited sepulcher, painted sepulcher, tinsel, paste, junk jewelry, costume jewelry, false jewelry, synthetic jewels, scagliola, ormolu, German silver, albata, paktong, white metal, Britannia metal, paint, veneer, jerry building, man of straw, illusion, ignis fatuus, mirage, deceived, deceiving, cunning, prestigious, prestigiatory, deceptive, deceptious, deceitful, covinous, delusive, delusory, illusive, illusory, elusive, insidious, ad captandum vulgus, untrue, mock, sham, make-believe, counterfeit, snide, pseudo, spurious, supposititious, so-called, pretended, feigned, trumped up, bogus, scamped, fraudulent, tricky, factitious bastard, surreptitious, illegitimate, contraband, adulterated, sophisticated, unsound, rotten at the core, colorable, disguised, meretricious, tinsel, pinchbeck, plated, catchpenny, Brummagem, artificial, synthetic, ersatz, simulated, under false colors, under the garb of, under cover of, over the left, keep the word of promise to the ear and break it t, fronti nulla fides, ah that deceit should steal such gentle shapes, a quicksand of deceit, decipimur specie recti, falsi crimen, fraus est celare fraudem, lupus in fabula, so smooth, he daubed his vice with show of virtue.

Untruth

N untruth, falsehood, lie, story, thing that is not, fib, bounce, crammer, taradiddle, whopper, jhuth, forgery, fabrication, invention, misstatement, misrepresentation, perversion, falsification, gloss, suggestio falsi, exaggeration, invention, fabrication, fiction, fable, nursery tale, romance, absurd story, untrue story, false story, trumped up story, trumped up statement, thing devised by the enemy, canard, shave, sell, hum, traveler's tale, Canterbury tale, cock and bull story, fairy tale, fake, claptrap, press agent's yarn, puff, puffery (exaggeration), myth, moonshine, bosh, all my eye and Betty Martin, mare's nest, farce, irony, half truth, white lie, pious fraud, mental reservation, pretense, pretext, false plea, subterfuge, evasion, shift, shuffle, make-believe, sham, profession, empty words, Judas kiss, disguise, untrue, false, phony, trumped up, void of foundation, without- foundation, fictive, far from the truth, false as dicer's oaths, unfounded, ben trovato, invented, fabulous, fabricated, forged, fictitious, factitious, supposititious, surreptitious, elusory, illusory, ironical, soi-disant, se non e vero e ben trovato, where none is meant that meets the ear.