Mind-Boggling By EvilJune 30, 2015February 25, 2020Popular Expression Mind-Boggling (adjective) *Also used as the phrasal verb, to “boggle the mind.” = overwhelming for the brain to think about or experience Ex: Thinking about the universe is “mind-boggling” because it’s so big, and there is so much to learn. Ex: To think about our advances in science and technology these past hundred years is “mind-boggling” because the world has changed so much. Ex: To think about how the people built the Great Wall of China “boggles the mind.” BACK to Popular Expressions