Definition

1. Noun:

   • Delusion: A fixed, false belief that is firmly held despite clear evidence to the contrary. It is a symptom of certain psychiatric conditions.
   • Delirium: A state of severe confusion and rapid changes in brain function, often involving disorganized thinking and hallucinations. This meaning aligns with the provided reference.

2. Adjective (hoang tưởng):

   • Delusional: Characterized by or holding false beliefs that are resistant to reason.

Usage Examples

• Noun:

  • Bệnh nhân có những hoang tưởng về việc bị theo dõi. (The patient has delusions of being followed.)
  • Cơn sốt cao gây ra trạng thái hoang tưởng. (The high fever caused a state of delirium.)

• Adjective:

  • Những suy nghĩ của anh ta ngày càng trở nên hoang tưởng. (His thoughts have become increasingly delusional.)

Advanced Usage

• In clinical psychiatry, "hoang tưởng" (as delusion) is a core symptom of psychotic disorders like schizophrenia. Delusions can be paranoid, grandiose, somatic, or referential.
• "Rối loạn hoang tưởng": Delusional disorder.
  • Ông ấy được chẩn đoán mắc chứng rối loạn hoang tưởng. (He was diagnosed with delusional disorder.)

Variants and Related Words

• Ảo tưởng (n): Illusion or fantasy. This differs from "hoang tưởng" as it may not involve a firmly held false belief about reality.
  • Anh ta sống trong ảo tưởng về sự giàu có. (He lives in an illusion of wealth.)

Synonyms

• Delusion: A false belief.
• Delirium: Acute mental confusion.
• Paranoia (for paranoid delusions): Irrational distrust or suspicion.

Related Idioms

• Sống trong hoang tưởng: To live in a delusion/fantasy world.
  • Hắn từ chối đối mặt với sự thật và sống trong hoang tưởng. (He refuses to face the truth and lives in a delusion.)

1. (y) Delirium