good grief

good grief idiom
An exclamation expressing surprise, alarm, dismay, or some other, usually negative emotion. For example, Good grief! You're not going to start all over again, or Good grief! He's dropped the cake. The term is a euphemism for “good God.” [Early 1900s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.