very difficult to imagine or to understand; extremely surprisinga problem of mind-boggling complexityIt’s mind-boggling to me that this is allowed to happen.compareboggleMore Like ThisDescriptive compound adjectives with parts of the bodyback-breaking,ear-splitting,eye-popping,gut-wrenching,hair-raising,lung-busting,jaw-dropping,mind-boggling,nail-biting,rib-tickling,side-splitting,spine-chilling,stomach-churning,toe-curlingSee worksheet.
See mind-boggling in the Oxford Advanced American Dictionary
