When it comes to finding synonyms for the word "persistent," there are a variety of options to choose from. Some similar words include tenacious, unrelenting, unwavering, determined, persevering, resolute, unyielding, dogged, steadfast, and relentless. These words all convey a sense of someone who does not give up easily, who continues to try, despite challenges or obstacles. Other synonyms might include words like enduring, lasting, or continuing, which emphasize the idea of something that continues on over time without giving up. Whether you are looking for a synonym for a person's attitude or for a persistent problem or issue, these words can help you find the right words to convey your meaning.