1 文書を見つけるための辞書。

• hum, busyness
• 忙しさ, 多忙, 忙中, 働き
• the state of being or appearing to be actively engaged in an activity; "they manifested all the busyness of a pack of beavers"; "there is a constant hum of military preparation"
• 活発に活動に従事している状態、またはそのように見える状態