ぐうたら

noun, na-adjective

lazy person; idler; slacker

Describes a person who habitually avoids work or effort; often used in a mildly scolding or self-deprecating way. Can also be used adjectivally with な.

• 彼かれはぐうたらで、一いち日にち中じゅうソファに寝ね転ころがっている。

  He's a lazybones, lying on the sofa all day.

• ぐうたらな生せい活かつを改あらためたい。

  I want to change my idle lifestyle.