crawl

To move slowly on hands and knees, or with the body low to the ground.

"The baby began to crawl across the rug."

To move or progress at an extremely slow pace.

"The traffic was crawling through the city."

A very slow movement or progression, often due to congestion.

"The morning commute was a complete crawl."

A fast swimming stroke using alternating arm movements and leg kicks.

"She swam the front crawl effortlessly."