What is a synonym for diligent?

Here are some synonyms for diligent, depending on the specific nuance you want to convey:

General synonyms:

* Hardworking

* Industrious

* Assiduous

* Conscientious

* Meticulous

* Dedicated

* Persevering

* Thorough

* Attentive

More formal synonyms:

* Sedulous

* Painstaking

More informal synonyms:

* Go-getter

* Workaholic (can have a negative connotation)

The best synonym will depend on the context of your writing.