Definition/Meaning of mindbogglingly

• English - Alternative spellings: mind-bogglingly
• English - Adverb: mindbogglingly ( comparative more mindbogglingly , superlative most mindbogglingly ) In a mindboggling manner; in such a way as to boggle the mind; so as to be beyond comprehension or understanding . 1979 , Douglas Adams , The Hitchhiker’s Guide to the Galaxy , Pan Books , chapter 8: “Space [ … ] is big . Really big . You just won’t believe how vastly , hugely mindbogglingly big it is .”