Agreed:

Lackadaisical:

Lacking spirit, liveliness, or interest; languid: “There'll be no time to correct lackadaisical driving techniques after trouble develops” (William J. Hampton).

[From lackadaisy, alteration of lackaday.]

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Lackaday:

interj. Archaic
Used to express regret or disapproval.

[Alteration of alack the day.]

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