A lazy person.
Sloth (animal).
To laze, act in a lazy manner.
Unwilling to do work or make an effort; disinclined to exertion.
Causing or characterised by idleness; relaxed or leisurely.
Showing a lack of effort or care.
Sluggish; slow-moving.
Lax:
(of a cattle brand) Turned so that (the letter) is horizontal instead of vertical.
Employing lazy evaluation; not calculating results until they are immediately required.
Wicked; vicious.