busy; hectic; frantic
restless; hurried; fidgety
「忙しい」 has another reading with different meanings.
busy; occupied; hectic
朝からせわしい一日だった。
It was a hectic day since morning.
年末は毎日忙しかった。
Every day was hectic at year-end.
今週はそれほど忙しくない。
This week isn't that hectic.