怠惰

1. Origins, structure, and basic meaning

• Structure: 怠惰 is a noun and na-adjective read たいだ for an idle or lazy state in which one fails to apply oneself.
• Basic usage: It negatively evaluates a way of life or appears when attributing inadequate preparation merely to laziness.
  • 怠惰な生活を改め、朝の散歩を始めました。 describes reforming an idle lifestyle; 準備不足を単なる怠惰のせいにしてはいけません。 warns against blaming inadequate preparation simply on laziness.

2. Common pitfalls and similar expressions

• Form 怠惰な
  • Add な before a noun, as in 怠惰な生活; it carries a strongly negative judgment about conduct or habits.
• 怠惰のせいにする
  • のせいにする means attributing a cause or responsibility to laziness. The second example warns against that simplification.
• 怠惰 and rest
  • 怠惰 negatively describes neglecting what should be done; it should not be treated as the same as necessary rest or fatigue.