"Hard-working" is often used to describe someone who is dedicated and diligent in their work efforts. However, there are many other words and phrases that can be used to effectively convey this same meaning. For example, "industrious" suggests a person who is hard-working and productive, while "persevering" implies someone who works tirelessly to achieve their goals. "Diligent" suggests a person who is focused and conscientious, while "tenacious" implies someone who is determined and persistent in their efforts. Additionally, terms like "committed," "dedicated," and "devoted" all convey a strong work ethic and dedication to one's tasks and responsibilities.