Lapsedaisical 

A person with a laid back attitude would be described in this word. Non-serious person who will eventually acheive his objective in due course.

He is lapsedaisical in his attitude.

Lapsedaisical by John Barham February 5, 2008

Lapsadaisical 

Lacking enthusiasm and energy whilst also making severe lapses of judgement.

‘Steve was very lapsadaisical at work today. He was slow and sluggish and he allowed Michael Jackson to be captain of the boys’ swimming team.

Lapsadaisical by jack wolfman March 29, 2019