What is the opposite words for negligent?

The opposite of negligent depends on the context, but here are some options:

General opposites:

* Careful

* Attentive

* Diligent

* Conscientious

* Responsible

* Thorough

* Meticulous

Opposites in specific contexts:

* Careful (opposite of negligent in driving)

* Attentive (opposite of negligent in parenting)

* Diligent (opposite of negligent in work)

* Conscientious (opposite of negligent in following rules)

* Responsible (opposite of negligent in handling finances)

The best opposite for "negligent" will depend on the specific situation and what you want to emphasize.