Diligent
Part of speech: adjective
Definition: Performing with intense concentration, focus, responsible regard.
Example sentence: My boring, mundane, diligent kind of golf works sometimes. Actually, it works all the time. And sometimes, on the greatest stages, it really does flourish.
Persevering
Part of speech: noun
Definition: perseverance
Part of speech: verb
Definition: To persist steadfastly in pursuit of an undertaking, task, journey, or goal, even if hindered by distraction, difficulty, obstacles, or discouragement.
Part of speech: adjective
Definition: Tending to persevere.