serve (one's) purpose

(redirected from serves their purposes)

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 ?
Animals "do their best thinking when it serves their purposes," not necessarily when scientists are studying them in a laboratory, Linden asserts.