厳重

1. Origins, structure, and basic meaning

• Structure: 厳重 is read as げんじゅう and is a な-adjectival noun for thorough, tight security or rigorous handling and inspection.
• Basic usage: It commonly appears as the adverb 厳重に before actions such as 保管する and 確認が行われる.

2. Common pitfalls and similar expressions

• Security and procedural thoroughness
  • With documents it emphasizes protection from access, while with baggage it emphasizes the intensity and completeness of inspection.
• Contrast with 厳格
  • 厳格 centers on strict application of standards; 厳重 readily describes tight guarding, handling, sealing, or checking.