furtively
🇺🇸
/ˈfɜːrtɪvli/
🇬🇧
/ˈfɜːtɪvli/
in a sneaky or secretive way
He glanced furtively around to make sure no one was watching.
그는 누구도 보고 있지 않는지 확인하기 위해 몰래 주변을 둘러보았다.