carefulness
🇺🇸
/ˈkerflnəs/
🇬🇧
/ˈkeəflnəs/
Being very careful and paying close attention to details
Her carefulness in planning the event ensured everything went smoothly.
그녀의 행사 계획에 대한 세심함은 모든 것이 원활하게 진행되도록 했습니다.