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good grief

Idioms  

  1. 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]

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.