serve (one's) purpose

(redirected from serve their purpose)

serve (one's) purpose

To fit or satisfy someone's requirements; to be useful for or fit to achieve someone's aim, goal, or purpose. Well, it isn't a very pretty car, but it should serve our purpose just fine. Child: "But mom, I want a smartphone!" Mother: "Nonsense, the cell phone you already have serves your purpose just fine."
See also: purpose, serve
References in periodicals archive ?
Other characters are less well-defined but serve their purpose within the plot by helping the protagonist as well as aiding in the development of greater themes: patience, compassion, and knowing who your friends really are.