素早い

1. Origins, structure, and basic meaning

• Structure: 素早い, read すばやい, denotes physical movement or situational response performed quickly without delay.
• Basic usage: It describes a cat’s swift movement and a staff member’s quick response that calms confusion.

2. Common pitfalls and similar expressions

• Speed and prompt response
  • It modifies physical movement as well as a response carried out promptly after recognizing a situation.