lackadaisical

/ˌlækəˈdeɪzɪkəl/

ADJECTIVE

1. Showing little interest or enthusiasm

Displaying a lack of interest, energy, enthusiasm, or determination toward an activity, responsibility, or situation.

Showing little concern, curiosity, or emotional involvement in something that would normally deserve attention or interest.

The employee's lackadaisical attitude toward deadlines affected the entire team.
The students appeared lackadaisical during the discussion.

Approaching a task or responsibility without sufficient enthusiasm, effort, or determination.

The manager criticized the team's lackadaisical approach to meeting its targets.
His lackadaisical preparation showed that he had not taken the assignment seriously.

ADJECTIVE

Being habitually unwilling to exert effort or displaying slow, inactive, and sluggish behavior.

Avoiding effort or work and showing little willingness to act, make progress, or fulfill responsibilities.

His lackadaisical work habits made it difficult for the project to stay on schedule.
The supervisor was frustrated by the lackadaisical attitude of the workers.

Moving, acting, or responding slowly because of a lack of energy, vigor, or liveliness.