delusion

delusion
n.
a belief that is held with unshakable conviction, cannot be altered by rational argument, and is outside the person's normal cultural or subcultural belief system. The belief is usually wrong, but can occasionally be true. The abnormal pathology lies in the irrational way in which the person comes to the belief. In mental illness it may be a false belief that the individual is persecuted by others, is very powerful, is guilty of something they have not actually done, is poor, or is a victim of physical disease (see paranoia). Delusions may be a symptom of schizophrenia, mania, or an organic psychosis.

The new mediacal dictionary. 2014.

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  • delusion — delusion, illusion overlap in meaning because both are to do with things wrongly believed or thought for various reasons. There is, however, a distinguishing principle: a delusion is a wrong belief regarded from the point of view of the person… …   Modern English usage

  • Delusion — De*lu sion . [L. delusio, fr. deludere. See {Delude}.] 1. The act of deluding; deception; a misleading of the mind. Pope. [1913 Webster] 2. The state of being deluded or misled. [1913 Webster] 3. That which is falsely or delusively believed or… …   The Collaborative International Dictionary of English

  • delusion — delusion, illusion, hallucination, mirage denote something which is believed to be or is accepted as being true or real but which is actually false or unreal. Delusion in general implies self deception or deception by others; it may connote a… …   New Dictionary of Synonyms

  • délusion — ⇒DÉLUSION, subst. fém. A. PSYCH. Synon. de délire (cf. POROT 1960). B. PSYCHOL. Erreur de perception dans laquelle un objet réel induit la connaissance. L entendement humain et mortel (...) comme la somme de toutes les délusions (Philos., Relig …   Encyclopédie Universelle

  • delusion — index artifice, bad faith, deception, error, fallacy, false pretense, figment, hoax, insanity …   Law dictionary

  • delusión — f. *Ilusión: engaño de los sentidos. * * * delusión. f. ilusión (ǁ concepto o imagen sin verdadera realidad) …   Enciclopedia Universal

  • delusion — act of misleading someone, early 15c.; as a form of mental derangement, 1550s, from L. delusionem (nom. delusio) a deceiving, from pp. stem of deludere (see DELUDE (Cf. delude)). Technically, delusion is a belief that, though false, has been… …   Etymology dictionary

  • delusion — [di lo͞o′zhən] n. [ME delusioun < LL delusio < delusus, pp. of deludere] 1. a deluding or being deluded 2. a false belief or opinion 3. Psychiatry a false, persistent belief maintained in spite of evidence to the contrary delusional adj.… …   English World dictionary

  • Delusion — (lat.), Verspottung, Täuschung; delusorisch, täuschend, trügerisch …   Meyers Großes Konversations-Lexikon

  • delusion — [n] misconception, misbelief apparition, blunder, casuistry, chicanery, daydream, deception, deceptiveness, dream, eidolon, error, fallacy, false impression, fancy, fantasy, figment*, fool’s paradise*, ghost, hallucination, head trip*, ignis… …   New thesaurus

  • delusión — f. ilusión (ǁ concepto o imagen sin verdadera realidad) …   Diccionario de la lengua española

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