1.
suspicious behavior, acting suspiciously
Behavior that appears unnatural, nervous, or suspicious. Used both in serious contexts (police reports, security) and casually to describe someone who looks nervous or guilty.
Usage
Used in police and security contexts for describing suspicious persons, but also used casually and humorously. The shortened slang form 挙動る (kyodoru) means "to act nervously/suspiciously" in informal speech.
Common collocations
- 挙動不審な人物 (suspicious person)
- 挙動不審になる (to start acting suspiciously)
- 挙動不審で職務質問される (to be stopped and questioned for suspicious behavior)