hallucination

• POS: Noun
• HYPHEN: hal=lu=ci=na=tion

CIDE DICTIONARY

hallucination, n. [L. hallucinatio: cf. F. hallucination.].

•  The act of hallucinating; a wandering of the mind; error; mistake; a blunder.  [1913 Webster]

  "This must have been the hallucination of the transcriber."  [1913 Webster]
•  The perception of objects which have no reality, or of sensations which have no corresponding external cause, arising from disorder of the nervous system, as in delirium tremens; delusion.  [1913 Webster]

  "Hallucinations are always evidence of cerebral derangement and are common phenomena of insanity."  [1913 Webster]

OXFORD DICTIONARY

hallucination, n. the apparent or alleged perception of an object not actually present.

Derivative

hallucinatory adj.

Etymology

L hallucinatio (as HALLUCINATE)

THESAURUS

hallucination

aberration, agnosia, apparition, bamboozlement, befooling, block, blocking, bluffing, brainchild, bubble, calculated deception, chimera, circumvention, conning, deceiving, deception, deceptiveness, defrauding, delirium, delirium tremens, delusion, delusion of persecution, delusiveness, disorientation, dream, dupery, eidolon, enmeshment, ensnarement, entanglement, entrapment, fallaciousness, fallacy, falseness, fancy, fantasque, fantasy, fata morgana, fiction, figment, flight of ideas, flimflam, flimflammery, fond illusion, fooling, ghost, hallucinosis, hoodwinking, idle fancy, illusion, imagery, imagination, imagining, insubstantial image, invention, kidding, maggot, make-believe, mental block, mental confusion, mind-expansion, mirage, myth, nihilism, nihilistic delusion, outwitting, overreaching, paralogia, phantasm, phantom, psychological block, putting on, romance, self-deception, sick fancy, snow job, song and dance, spoofery, spoofing, subterfuge, swindling, thick-coming fancies, trickiness, tricking, trip, tripping, vapor, victimization, vision, whim, whimsy, wildest dreams, willful misconception, wishful thinking, wraith

ROGET THESAURUS

hallucination

Error

N error, fallacy, misconception, misapprehension, misstanding, misunderstanding, inexactness, laxity, misconstruction, miscomputation, non sequitur, mis-statement, mis-report, mumpsimus, mistake, miss, fault, blunder, quiproquo, cross purposes, oversight, misprint, erratum, corrigendum, slip, blot, flaw, loose thread, trip, stumble, botchery, slip of the tongue, slip of the lip, Freudian slip, slip of the pen, lapsus linguae, clerical error, bull, haplography, illusion, delusion, snare, false impression, false idea, bubble, self-decit, self-deception, mists of error, heresy, hallucination, false light, dream, fable, bias, misleading, erroneous, untrue, false, devoid of truth, fallacious, apocryphal, unreal, ungrounded, groundless, unsubstantial, heretical, unsound, illogical, inexact, unexact inaccurate, incorrect, indefinite, illusive, illusory, delusive, mock, ideal, spurious, deceitful, perverted, controvertible, unsustainable, unauthenticated, untrustworthy, exploded, refuted, discarded, in error, under an error, mistaken, tripping, out, out in one's reckoning, aberrant, beside the mark, wide of the mark, wide of the truth, way off, far off, astray, on a false scent, on the wrong scent, in the wrong box, outside the ballpark, at cross purposes, all in the wrong, all out, more or less, errare est humanum, mentis gratissimus error, on the dubious waves of error tost, to err is human, to forgive divine, you lie -- under a mistake.

Insanity

N insanity, disordered reason, disordered intellect, diseased mind, unsound mind, abnormal mind, derangement, unsoundness, psychosis, neurosis, cognitive disorder, affective disorder, insanity, lunacy, madness, mania, rabies, furor, mental alienation, aberration, paranoia, schizophrenia, dementation, dementia, demency, phrenitis, phrensy, frenzy, raving, incoherence, wandering, delirium, calenture of the brain, delusion, hallucination, lycanthropy, brain storm, vertigo, dizziness, swimming, sunstroke, coup de soleil, siriasis, fanaticism, infatuation, craze, oddity, eccentricity, twist, monomania (caprice), kleptodipsomania, hypochondriasis, melancholia, depression, clinical depression, severe depression, hysteria, amentia, screw loose, tile loose, slate loose, bee in one's bonnet, rats in the upper story, dotage, insane, mad, lunatic, loony, crazy, crazed, aliene, non compos mentis, not right, cracked, touched, bereft of reason, all possessed, unhinged, unsettled in one's mind, insensate, reasonless, beside oneself, demented, daft, phrenzied, frenzied, frenetic, possessed, possessed with a devil, deranged, maddened, moonstruck, shatterpated, mad-brained, scatter brained, shatter brained, crackbrained, touched, tetched, off one's head, maniacal, delirious, lightheaded, incoherent, rambling, doting, wandering, frantic, raving, stark staring mad, stark raving mad, wild-eyed, berserk, delusional, hallucinatory, corybantic, dithyrambic, rabid, giddy, vertiginous, wild, haggard, mazed, flighty, distracted, distraught, depressed, agitated, hyped up, bewildered, mad as a March hare, mad as a hatter, of unsound mind, touched in one's head, wrong in one's head, not right in one's head, not in one's right mind, not right in one's wits, upper story, out of one's mind, out of one's wits, out of one's skull, far gone, out of one's senses, out of one's wits, not in one's right mind, fanatical, infatuated, odd, eccentric, hypped, hyppish, spaced out, imbecile, silly, like one possessed, the mind having lost its balance, the reason under a cloud, tet exaltee, tet montee, ira furor brevis est, omnes stultos insanire.