reckless · delusion

1. Origins, structure, and basic meaning

• Structure: 妄 is associated with unfounded or deluded thinking; its on-readings are もう and ぼう.
• Basic usage: 妄想(もうそう) means a delusion or unfounded idea, while 妄言(ぼうげん) means an absurd or reckless statement.

2. Common pitfalls and similar expressions

• An idea and a statement
  • 妄想 refers to the protagonist's delusions that intersect with reality or to a conclusion drawn without evidence. It focuses on the content of thought.
  • 妄言を繰り返し means repeating absurd statements. 妄言 focuses on words spoken aloud, and its first part is read ぼう.