“Good heavens!”

The crossword question is asking for a phrase that means “Good heavens!” and the answer is “EGAD.” “EGAD” is an interjection that expresses surprise or shock, similar to saying “Oh my goodness!” or “Wow!” It originated in the early 17th century, and is actually a shortened form of “O egad,” which is a minced oath of “Oh God.” Overall, the answer to the crossword question is a common expression used to convey astonishment or disbelief.