slacked

he slacked off during the project, causing delays.

she realized she had slacked on her studies.

after the holidays, he slacked on his fitness routine.

the team slacked in their efforts to meet the deadline.

don't slack off; keep pushing towards your goals.

she noticed that her motivation had slacked recently.

he often slacked during meetings, which annoyed his colleagues.

they slacked in their preparations for the presentation.

if you slack off now, you'll regret it later.

he was warned not to slack on his responsibilities.