Third-person singular simple present indicative form of boggle.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "boggles" in a sentence
"This feat, sophomore undergraduates performing original English-language Shakespeare in China, combined with my infinite struggle to read, write, and speak in Chinese, boggles the mind."
"How anybody can call ANY presidency "failed" when it is only 14% of the way through the term boggles my mind."
"The chair looks comfortable, although the price tag boggles the mind-- that's twice what my car cost!"