Having many tasks or appointments; being occupied or very busy (having little free time or spare capacity).
今週は会議が続いていて本当に忙しい。
I've got meetings all week and I'm really busy.
来月は出張が多くて生活が忙しくなる。
I'll be traveling a lot next month, so life will be busy.
子どもが生まれてから、夫婦ともに忙しく過ごしている。
Since the child was born, both husband and wife have been busy.
Restless, hurried, or fidgety — showing an unsettled or flurried state rather than simply having many tasks.
彼は試験の結果を待っていて忙しなく部屋を歩き回っている。
He is anxiously pacing the room, restless as he waits for the exam results.
駅は遅延で人が忙しなく行き交っていた。
The station was bustling with people moving hurriedly because of the delay.
赤ちゃんがぐずると母親は忙しそうにあやす。
When the baby fusses, the mother fusses about trying to soothe them.