Lackadaisical means lazy and uninterested. When you are lackadaisical about something, you are not caring about it or trying to do it as well as you could.
He was always lackadaisical about his homework, and he never got good grades.
She was always lackadaisical about her job, and she never got promoted.
adjective
lacking spirit or liveliness
Synonyms:
adjective
idle or indolent especially in a dreamy way
1
Their marching was not lackadaisical.
2
I want to take the lackadaisical stuff out.
3
He hates the lackadaisical attitude of his wife.
4
A strong internship will trump a lackadaisical education, and vice versa.
5
A strong internship will trump a lackadaisical education, and vice versa.
6
I'm pretty much lackadaisical about everything on here.
7
If you see someone being lackadaisical, call him on it.
8
I have a lackadaisical view of the current voting process.
9
Blond furred, he is rather lackadaisical and careless, and a bit simpleminded.
10
Blond furred, he is rather lackadaisical and careless, and a bit simpleminded.