mind-boggling

adjective

mind-bog·​gling ˈmīn(d)-ˌbä-g(ə-)liŋ 

: mentally or emotionally exciting or overwhelming

mind-bogglingly

ˈmīn(d)-ˌbä-g(ə-)liŋ-lē 

adverb

Synonyms of mind-boggling

• breathtaking
• exciting
• interesting
• intriguing
• thrilling

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

But the risk of acquiring Rutschman, an injured player with an inconsistent track record, was almost mind-boggling. — Ken Rosenthal, New York Times, 4 Aug. 2026

Menon's photo, like other space station photography, also drives home just how mind-boggling of an engineering feat the International Space Station (ISS) truly is. — Brett Tingley, Space.com, 4 Aug. 2026

Are the financial figures from the 2026 MLB Draft mind-boggling enough to make drastic changes or just the tip of an iceberg that could threaten to sink the game? — Chuck Murr, Forbes.com, 31 July 2026

Even more mind-boggling is the fact that Will went to bed without saying good night to Suzanne, who was in her bikini, getting ready to hot tub with another man. — Rafaela Bassili, Vulture, 28 July 2026

Word History

First Known Use

1955, in the meaning defined above