濫用

1. Origins, structure, and basic meaning

• Structure: 濫用 is read as らんよう and is a noun and する verb for abusing or overusing power, terminology, or another resource beyond proper limits.
• Basic usage: Abuse of authority appears in 権力の濫用, while overuse appears in 専門用語を濫用する.

2. Common pitfalls and similar expressions

• Misuse and overuse
  • It covers improper exercise of power and excessive use of terms that harms clarity.
• Difference from 多用
  • 多用 states that something is used frequently; 濫用 carries a negative judgment that use exceeds proper limits.