come in useful

come in useful

To be especially helpful, often in a particular setting or situation. It was a lot colder out than I thought it would be, so your jacket really came in useful! That flashlight comes in useful when I'm trying to find something in my car at night.

See also: come, useful

come in useful

to be useful. Your report has come in useful a number of times.

See also: come, useful

ˌcome in ˈhandy/ˈuseful

(informal) be useful when needed: The money my aunt gave me will come in handy to pay for my music lessons.

See also: come, handy, useful