The definition of diligent is hard working and done with painstaking effort.
The definition of conscientious is following what you know to be right or true.
(Obs.) Skillful or clever
Persevering and constant in effort or application; assiduous.
Wholly committed to a particular course of thought or action; devoted:
Characteristic of a tireless person; continuing, persistent, etc.
Find another word for hardworking. In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for hardworking, like: assiduous, diligent, conscientious, persevering, industrious, sedulous, dedicated, tireless and untiring.