► a wasted journey (=one that did not achieve the result you wanted)· To avoid a wasted journey, ring first to check that the event is still on.
► a wasted/lost/missed opportunity (=one you do not use)· Many people see the failed talks as a missed opportunity for peace.
► a wasted trip (=a trip in which you do not achieve what you wanted to)· I’m afraid you’ve had a wasted trip. We don’t have those shoes in stock.