Definition

1. Adjective:
   • Strange, bizarre, weird: Used to describe something that is extremely unusual, odd, or contrary to normal expectations, often to an unsettling or unbelievable degree.
   • Fantastic, outlandish: Can describe something so strange it seems unreal or like it belongs to a fantasy.

Usage Examples

• Adjective:
  • Câu chuyện đó nghe thật quái đản. (That story sounds truly bizarre.)
  • Anh ta có những ý tưởng quái đản mà không ai hiểu nổi. (He has such outlandish ideas that no one can understand.)
  • Cảnh tượng trước mắt thật quái đản và đáng sợ. (The scene before our eyes was weird and frightening.)

Advanced Usage

• "chuyện quái đản": a fantastic/bizarre story; an unbelievable tale.
  • Đừng tin vào những chuyện quái đản ấy. (Don't believe those fantastic stories.)
• Used to express strong disbelief or shock at something extremely abnormal.
  • Thật là quái đản! Làm sao chuyện đó có thể xảy ra được? (How bizarre! How could that possibly happen?)

Variants and Related Words

• Quái dị (adj): Weird, grotesque. Often used interchangeably with "quái đản" but can imply a more physically grotesque or monstrous strangeness.
  • Hình thù quái dị (A grotesque shape)
• Kỳ quái (adj): Peculiar, odd. Slightly less intense than "quái đản," often meaning curiously strange.
• Quái (adj/n): Strange, weird; can also mean "monster." A root word forming many compounds related to strangeness.

Synonyms

• Kỳ lạ: Strange, peculiar.
• Dị thường: Abnormal, anomalous.
• Khác thường: Unusual.

Notes on Meaning

• The word carries a strong negative connotation, implying something is not just strange but disturbingly or unnaturally so. It is not typically used for positive "fantastic" things (like "fantastic weather").
• It often describes events, stories, ideas, or appearances that defy logical explanation or natural law.

1. Fantastic
   • Chuyện quái đản
     A fantastic story