The phrase "come to a halt" is often used to describe when something has stopped abruptly or has come to a complete stop. However, there are various synonyms you can use to add variety to your writing. One option is "grind to a halt," which emphasizes a slow and painful end to something. Another synonym is "cease," which implies a sudden and abrupt end. "Terminate," "halt," and "cease and desist" are other options that can add additional emphasis to the idea of something coming to a complete stop. Overall, utilizing synonyms can help spice up your writing and avoid repetitive language.