There are several synonyms for the phrase "gave up work." One option is "retired," which implies a decision to stop working after a long career. Another alternatives is "resigned," which suggests leaving a job for personal or professional reasons. "Quit" is another option, which is a more casual term that could be used to describe leaving a job abruptly or without a specific plan. Additionally, "ceased working" or "stopped working" can also be used to convey the idea of stopping employment, perhaps due to health issues or changes in personal circumstances. Overall, there are several options to choose from depending on the specific context and desired tone.