bogged down

adjective2

1. •
   Stuck, as if in a bog.

   • It was Mr. Womble that tied the rope to the car that was bogged down, and I was the one that tied the other end of it to the end of the truck... — 1922
2. •
   (figurative) Stuck; mired, as in detail, difficulty; delayed or made slower.

   • However, if the project manager has a sense that the project is getting bogged down, there is one additional strategy that can be employed... — 2003