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

Near 18th and Grand on the second double-decker Orange Bus during the mind-boggling Oranje Fanwalk on Thursday, KC2026 CEO Pam Kramer gazed back — and realized there somehow were as many people behind them as before them. — Kansas City Star, 27 June 2026

The work done on the station is impressive, but this system is just as mind-boggling. — Chelsea Gohd, Space.com, 23 June 2026

The fake outrage over fans saying not-so-nice things to a professional athlete has been mind-boggling. — Zach Dean Outkick, FOXNews.com, 22 June 2026

The hill behind the final green will be a sea of people, all hoping to witness some magic like Jordan Spieth’s bunker blast or Harris English’s marathon eight-hole playoff win over Kramer Hickok or someone trying to challenge Jim Furyk’s mind-boggling round of 58. — Nick Pietruszkiewicz, Hartford Courant, 21 June 2026

Word History

First Known Use

1955, in the meaning defined above