Definition of "mind-boggling" []

• Informal Intellectually or emotionally overwhelming: "a mind-boggling bazaar of competing manufacturers and overlapping technologies” ( William D. Marbach). (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In the video, Mercer points out that every year in Canada, 300 kids commit suicide -- a number he calls "mind-boggling.""
• "That said, there were some notable if minor problems: the quake apparently put a crack in the Washington Monument, which is now shut down indefinitely along with several other monuments pending inspection, and the National Cathedral suffered what's been called "mind-boggling" damage from the earthquake, including the toppling of some 3,000 pounds of concrete from the church's top."
• "It’s harder to forgive writers who stretch logic and research standards as if they were Silly Putty—for instance, the author of a Kennedy family biography who, unable to find substantive evidence of bootlegging, reaches a conclusion that can only be described as mind-boggling: “The sheer magnitude of the recollections,” he writes, “is more important than the veracity of the individual stories.”"