Something that is partly good and partly bad. Taken from a British cartoon about a curate, or priest, who was given a bad egg but focused on the egg's good characteristics as he did not want to offend the person who gave it to him. Primarily heard in UK. Our vacation was a bit of a curate's egg; the first few days were sunny, but the rest of the week was ruined by the heavy rain and flooding.
Usage notes: A curate is a priest. There is a joke about a curate who was given a bad egg and said that parts of the egg were good because he did not want to offend the person who gave it to him.
Queen's College is something of a curate's egg, with elegant Victorian buildings alongside some of the ugliest modern architecture.