mind-boggling

adjective

mind-bog·​gling ˈmīn(d)-ˌbä-g(ə-)liŋ How to pronounce mind-boggling (audio)
Synonyms of mind-bogglingnext
: mentally or emotionally exciting or overwhelming
mind-bogglingly adverb

Examples of mind-boggling in a Sentence

a big-box store with a mind-boggling array of home-improvement supplies for the do-it-yourselfer
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Wachira called it mind-boggling. Emmanuel Igunza, NPR, 27 Apr. 2026 The longer-term effects have been mind-boggling in scale. The Week Uk, TheWeek, 26 Apr. 2026 Fruits are ripening and the birds are overhead migrating day and night, guided by the sun and stars on their mind-boggling journeys. Literary Hub, 23 Apr. 2026 Remember, Chavez struck out a mind-boggling one time over her final two seasons for the Panthers. Rick Armstrong, Chicago Tribune, 21 Apr. 2026 See All Example Sentences for mind-boggling

Word History

First Known Use

1955, in the meaning defined above

Time Traveler
The first known use of mind-boggling was in 1955

Browse Nearby Words

Cite this Entry

“Mind-boggling.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mind-boggling. Accessed 5 May. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster