The phrase "work at" is commonly used to describe participation in an occupation, job or task. However, there are a number of synonyms that can be used to express the same meaning, such as "perform," "engage in," "labor," "pursue," or "participate in." Each of these words can provide a fresh approach and help to add variety to one's writing or speaking style. Individuals can also use more specific terms to further define the type of work being done, such as "research," "develop," or "produce." Employing synonyms for the phrase "work at" can give language more depth and clarity.