on top of
1
denoting the inclusion of something extra alongside existing tasks, responsibilities, or obligations
- On top of her full-time job, she is also pursuing a master's degree.
- She had to work late hours on top of her regular shifts.
- On top of studying for exams, he also had to prepare for a presentation.
- On top of managing the household, she also cares for her elderly parents.
- On top of his work commitments, he's also coaching his son's soccer team.
2
positioned on the upper surface of something
- The keys were on top of the desk.
- The book was on top of the shelf.
3
in a position of control, authority, or mastery
- The CEO is on top of the company's operations.
- She's on top of her work, managing the team efficiently.