He had a very 'delayed' reaction to the medication. [=a reaction that did not happen immediately]
The nurse apologized for the 'delay' [='wait'] and said that the doctor would be in shortly.
Production problems 'delayed' the introduction of the new model by several months.
(..) I can bring it down. That's the spirit! Away, you go. You do realize, of course, we can't keep out You-Know-Who indefinitely. That doesn't mean we can't delay him. And his name is Voldemort. Filius, you might as well use it. He's come to try to kill you, either way! Hogwarts is threatened. (..)2011 Harry Potter and the Deathly Hallows: Part 2