lackadaisical
Pronunciation:
/ˌlækəˈdeɪzɪkəl//ˌlækəˈdeɪzɪkəl/adjective
Definitions
Showing no interest, vigor, determination, or enthusiasm.
Example: the lackadaisical look on his face
Synonyms:languidlethargiclistlessunenthusiasticuninterestedLazy; slothful; indolent.