Being diligent is an important trait that spurs individuals to work harder, be responsible and achieve their goals. However, if you find yourself using the phrase "are diligent" too often, it may become overused. To avoid repetition, here are some alternative phrases you can use instead. Some synonyms for "are diligent" include being hardworking, industrious, dedicated, conscientious, assiduous, tireless, persevering or persistent. These synonyms effectively emphasize the quality of being meticulous and thorough in one's work. By using these synonyms, your writing or speech becomes more varied, interesting, and engaging, avoiding monotony and repetition of phrases.