lag

She started to lag behind the group because she was tired.

He did not lag behind; he finished the race in first place.

Are you lagging behind in your studies compared to your classmates?

The project is lagging, but we will catch up soon.

The tasks aren't lagging; they're all completed on time.

Why is the shipment lagging behind schedule?

There was a slight lag in her response during the game.

There was no lag in his performance; he was quick and efficient.

Did you notice any lag while we were playing together?

There was a noticeable lag between the sound and the video during the movie.

There was no lag at all; everything happened at the same time.

What causes the lag in the system when we start the program?