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Meaning of DELUSION

Pronunciation:  di'loozhun

WordNet Dictionary
  1. [n]  the act of deluding; deception by creating illusory ideas
  2. [n]  a mistaken or unfounded opinion or idea; "he has delusions of competence"; "his dreams of vast wealth are a hallucination"
  3. [n]  (psychology) an erroneous belief that is held in the face of evidence to the contrary

DELUSION is a 8 letter word that starts with D.


 Synonyms: hallucination, head game, illusion, psychotic belief
 See Also: deceit, deception, delusions of grandeur, delusions of persecution, disorientation, dissembling, dissimulation, freak out, hallucination, mental state, misconception, nihilism, nihilistic delusion, psychological state, somatic delusion, zoanthropy



Webster's 1913 Dictionary
\De*lu"sion\n. [L. delusio, fr. deludere. See
1. The act of deluding; deception; a misleading of the mind.

2. The state of being deluded or misled.

3. That which is falsely or delusively believed or
   propagated; false belief; error in belief.

         And fondly mourned the dear delusion gone. --Prior.

Syn: {Delusion}, {Illusion}.

Usage: These words both imply some deception practiced upon
       the mind. Delusion is deception from want of
       knowledge; illusion is deception from morbid
       imagination. An illusion is a false show, a mere cheat
       on the fancy or senses. It is, in other words, some
       idea or image presented to the bodily or mental vision
       which does not exist in reality. A delusion is a false
       judgment, usually affecting the real concerns of life.
       Or, in other words, it is an erroneous view of
       something which exists indeed, but has by no means the
       qualities or attributes ascribed to it. Thus we speak
       of the illusions of fancy, the illusions of hope,
       illusive prospects, illusive appearances, etc. In like
       manner, we speak of the delusions of stockjobbing, the
       delusions of honorable men, delusive appearances in
       trade, of being deluded by a seeming excellence. ``A
       fanatic, either religious or political, is the subject
       of strong delusions; while the term illusion is
       applied solely to the visions of an uncontrolled
       imagination, the chimerical ideas of one blinded by
       hope, passion, or credulity, or lastly, to spectral
       and other ocular deceptions, to which the word
       delusion is never applied.'' --Whately.

Thesaurus Terms
 Related Terms: aberrancy, aberration, acting, affectation, agnosia, airy nothing, apparition, appearance, artifice, attitudinizing, autism, bamboozlement, befooling, block, blocking, bluff, bluffing, bubble, calculated deception, casuistry, cheat, cheating, chicane, chicanery, chimera, circumvention, color, coloring, conning, counterfeit, daydream, deceit, deceiving, deception, deceptiveness, defectiveness, defrauding, delirium, deluded belief, delusion of persecution, delusiveness, dereism, deviancy, disguise, disorientation, dissemblance, dissembling, dissimulation, distortion, dream, dream vision, dreamland, dreamworld, dupery, eidolon, enmeshment, ensnarement, entanglement, entrapment, equivocation, errancy, erroneousness, error, facade, face, fake, fakery, faking, fallaciousness, fallacy, false air, false belief, false front, false show, falseness, falsity, fancy, fantasy, fault, faultiness, feigning, feint, figment, flaw, flawedness, flight of ideas, flimflam, flimflammery, fond illusion, fooling, four-flushing, fraud, front, ghost, gilt, gloss, hallucination, hallucinosis, hamartia, heresy, heterodoxy, hoodwinking, humbug, humbuggery, ignis fatuus, illusion, imposture, kidding, masquerade, mental block, mental confusion, meretriciousness, mirage, misapplication, misbelief, misconception, misconstruction, misdoing, misfeasance, misinterpretation, misjudgment, mistake, nihilism, nihilistic delusion, ostentation, outward show, outwitting, overreaching, paralogia, peccancy, perversion, phantasm, phantom, pipe dream, playacting, pose, posing, posture, pretense, pretension, pretext, psychological block, putting on, representation, ruse, seeming, self-contradiction, self-deceit, self-deception, self-delusion, semblance, shade, sham, show, simulacrum, simulation, sin, sinfulness, snow job, song and dance, sophism, sophistry, speciousness, spoofery, spoofing, spuriousness, stratagem, subterfuge, swindling, trick, trickery, trickiness, tricking, trip, unorthodoxy, untrueness, untruth, untruthfulness, vapor, varnish, victimization, vision, willful misconception, window dressing, wishful thinking, wrong, wrong impression, wrongness