work at

: to perform work or fulfill duties regularly for wages or salary

: to perform or carry through a task requiring sustained effort or continuous repeated operations

: to exert oneself physically or mentally especially in sustained effort for a purpose or under compulsion or necessity

: activity in which one exerts strength or faculties to do or perform something:

: activity that a person engages in regularly to earn a livelihood

: a specific task, duty, function, or assignment often being a part or phase of some larger activity

: suitable or styled for wear while working

: used for work

: involving or engaged in work