To slow down or burden someone or something. (A bog is an area of wet, muddy ground that it is difficult to walk through.) Don't bog down your brother with more suggestions—his paper is due tomorrow, so he needs to commit to a topic and just write about it! We were hoping to open the restaurant by the holidays, but we've gotten bogged down with regulations and permits.

Burdened or impeded by something. (A bog is an area of wet, muddy land that it is difficult to walk through.) Try not to get bogged down in the details of this project—we're looking for speed more than accuracy.