Laziest

Unwilling to do work or make an effort; disinclined to exertion.

"Get out of bed, you lazy lout!"

Causing or characterised by idleness; relaxed or leisurely.

"I love staying inside and reading on a lazy Sunday."

Showing a lack of effort or care.

"lazy writing"

Sluggish; slow-moving.

"We strolled along beside a lazy stream."