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

Alaska Helicopter Tours, which is a 45-minute drive north in Palmer, offers mind-boggling excursions on the glowing blue Knick Glacier, from cave exploration and ice climbing ($1,299 for four hours) to ice skating and trekking (from $799). —Jen Murphy, Outside, 20 Dec. 2025

For me, the Florida hunt was worth it just for the joy of riding in Leitner’s airboat and taking in the mind-boggling abundance of birdlife in strikingly beautiful wetlands. —Scott Haugen, Outdoor Life, 18 Dec. 2025

The entire project was mind-boggling for Hostin. —Emlyn Travis, Entertainment Weekly, 18 Dec. 2025

While bitcoin is experiencing its own correction, MSTR has amplified those losses, dropping a mind-boggling 67% since its July highs. —Nishant Pant, CNBC, 2 Dec. 2025

Word History

First Known Use

1955, in the meaning defined above