boggling

verb

1. 1

   Either 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.”

2. 2

   To be bewildered, dumbfounded, or confused.

   “He boggled at the surprising news.”

3. 3

   To confuse or mystify; overwhelm.

   “The oddities of quantum mechanics can boggle the minds of students and experienced physicists alike.”

4. 4

   To embarrass with difficulties; to palter or equivocate; to bungle or botch.

5. 5

   To dissemble; to play fast and loose (with someone or something).