What is an antonym for diligent?

Here are some antonyms for diligent, depending on the specific context:

General Antonyms:

* Lazy

* Indolent

* Slothful

* Careless

* Neglectful

* Irresponsible

* Lackadaisical

* Inattentive

More Specific Antonyms:

* Procrastinating (if referring to delaying tasks)

* Inefficient (if referring to lack of productivity)

* Unmotivated (if referring to a lack of drive)

* Unproductive (if referring to a lack of results)

The best antonym for "diligent" depends on the specific situation and what aspect of diligence you want to contrast.