serve a purpose


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Serve a (useful) purpose

to be useful in accomplishing some purpose. This large book should serve a useful purpose. We can use it for a doorstop.
See also: purpose, serve

serve a purpose

Also, serve one's or the purpose . Be useful, meet the needs or requirements, satisfy, as in I don't know why they've added all this information but it probably serves a purpose, or It often serves his purpose to be vague, or We don't have a spading fork but this shovel should serve the purpose. This idiom was first recorded in 1513.
See also: purpose, serve