A change for the worse.

synonym: deformation.

Roget 846: ugliness etc. adj.; deformity, inelegance; acomia^†; disfigurement etc. (blemish) 848; want of symmetry, inconcinnity^†; distortion etc. 243; squalor etc. (uncleanness) 653.    forbidding countenance, vinegar aspect, hanging look, wry face, spretae injuria formae" [Vergil]. [person who is ugly] eyesore, object, witch, hag, figure, sight, fright; monster; dog [Coll.], woofer [Coll.], pig [Coll.]; octopus, specter, scarecrow, harridan^†, satyr^†, toad, monkey, baboon, Caliban, Aesop^†, monstrum horrendum informe ingens cui lumen monstrum horrendum informe ingens cui lumen ademptum [Lat.] [Vergil]. ... show more

Roget 217: obliquity, inclination, slope, slant, crookedness etc. adj.; slopeness^†; leaning etc. v.; bevel, tilt; bias, list, twist, swag, cant, lurch; distortion etc. 243; bend etc. (curve) 245; tower of Pisa.    acclivity, rise, ascent, gradient, khudd^†, rising ground, hill, bank, declivity, downhill, dip, fall, devexity^†; gentle slope, rapid slope, easy ascent, easy descent; shelving beach; talus; monagne Russe [Fr.]; facilis descensus averni [Lat.].    ... show more

Roget 243: distortion, detortion^†, contortion; twist, crookedness etc. (obliquity) 217; grimace; deformity; malformation, malconformation^†; harelip; monstrosity, misproportion^†, want of symmetry, anamorphosis^†; ugliness etc. 846; talipes^†; teratology.    asymmetry; irregularity.    ... show more

Roget 443: dim sight, dull sight half sight, short sight, near sight, long sight, double sight, astigmatic sight, failing sight; dimsightedness &c.; purblindness, lippitude^†; myopia, presbyopia^†; confusion of vision; astigmatism; color blindness, chromato pseudo blepsis^†, Daltonism; nyctalopia^†; strabismus, strabism^†, squint; blearedness^†, day blindness, hemeralopia^†, nystagmus; xanthocyanopia^†, xanthopsia [Med.]; cast in the eye, swivel eye, goggle-eyes; obliquity of vision.    winking etc. v.; nictitation; blinkard^†, albino.    dizziness, swimming, scotomy^†; cataract; ophthalmia.    [Limitation of vision] blinker; screen etc. (hider) 530.    [Fallacies of vision] deceptio visus [Lat.]; refraction, distortion, illusion, false light, anamorphosis^†, virtual image, spectrum, mirage, looming, phasma^†; phantasm, phantasma^†, phantom; vision; specter, apparition, ghost; ignis fatuus [Lat.] etc. (luminary) 423; specter of the Brocken; magic mirror; magic lantern etc. (show) 448; mirror lens etc. (instrument) 445.    ... show more

Roget 544: falsehood, falseness; falsity, falsification; deception etc. 545; untruth etc. 546; guile; lying etc. 454; untruth etc. 546; guile; lying etc. v.. misrepresentation; mendacity, perjury, false swearing; forgery, invention, fabrication; subreption^†; covin^†.    perversion of truth, suppression of truth; suppressio veri [Lat.]; perversion, distortion, false coloring; exaggeration etc. 549; prevarication, equivocation, shuffling, fencing, evasion, fraud; suggestio falsi etc. (lie) 546 [Lat.]; mystification etc. (concealment) 528; simulation etc. (imitation) 19; 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 [Slang], flimflam, cajolery, flattery; Judas kiss; perfidy etc. (bad faith) 940; il volto sciolto i pensieri stretti [It].    unfairness etc. (dishonesty) 940; artfulness etc. (cunning) 702; misstatement etc. (error) 495.    ... show more

Roget 555: misrepresentation, distortion, caricatura^†, exaggeration; daubing etc. v.; bad likeness, daub, sign painting; scratch, caricature; anamorphosis^†; burlesque, falsification, misstatement; parody, lampoon, take-off, travesty.    ... show more

A shape resulting from distortion.

synonym: distorted shape.

Polish: dystorsja pola, dystorsja

An optical phenomenon resulting from the failure of a lens or mirror to produce a good image.

synonyms: aberration, optical aberration.

Dutch: afwijking, aberratie
Polish: aberracja

A change (usually undesired) in the waveform of an acoustic or analog electrical signal; the difference between two measurements of a signal (as between the input and output signal).

Dutch: sneeuw

The act of distorting something so it seems to mean something it was not intended to mean.

synonyms: overrefinement, straining, torture, twisting.

Dutch: deformatie, vervorming, verrekking

The mistake of misrepresenting the facts.

Dutch: vertekening