noun, noun or participle which takes 'suru', intransitive verb
standing by; awaiting an opportunity; being on alert
Used for people, equipment, or systems ready to act when needed. Common in business, military, and technical contexts.
救急隊は現場近くで待機している。
The ambulance crew is standing by near the scene.
システムは指示があるまで待機
The system is on standby until instructions are given.
noun, noun or participle which takes 'suru', intransitive verb
Medical or public-health use: staying isolated to prevent disease spread. Often used in compounds like 待機期間 (quarantine period).
感染の疑いがある人は自宅で待機してください。
Those suspected of infection should quarantine at home.