The phrase "in work" refers to an object or person currently engaged in a particular task or job. There are several synonyms that one can use instead of "in work." For instance, the term "active" denotes something which is working or operating. On the other hand, the word "employed" refers to a person currently working in a specific job or profession. The phrase "in progress" describes a project or task currently underway and still requires completion. One may also substitute "occupied" for "in work," which means someone or something is currently busy with a task or activity. Finally, the term "busy" describes a person or object engaged in a task, job, or project and implies a high degree of activity and engagement.