boggle UK /ˈbɒɡ.əl/US /ˈbɑ.ɡəl/verb 6noun 2forms 3 verb6 •(literally or figuratively) to stop or hesitate as if suddenly seeing a bogle.The dogs went on, but the horse boggled at the sudden appearance of the strange beast.The horror of the deed and its consequences boggle the imagination. •To confuse or mystify; overwhelm.The vastness of space really boggles the mind.The oddities of quantum mechanics can boggle the minds of students and experienced physicists alike. •To be bewildered, dumbfounded, or confused.He boggled at the surprising news.The mind boggles. •(dialect, US) To embarrass with difficulties; to palter or equivocate; to bungle or botch •To wiggle the eyes as a result of bruxing. •(no longer used) To dissemble; to play fast and loose (with someone or something). noun2 •(old-fashioned) A scruple or objection. •(old-fashioned) A bungle; a botched situation. formsboggled · boggling · boggles