A scruple or objection.
A bungle; a botched situation.
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.
To be bewildered, dumbfounded, or confused.
He boggled at the surprising news.
To confuse or mystify; overwhelm.
The oddities of quantum mechanics can boggle the minds of students and experienced physicists alike.
To embarrass with difficulties; to palter or equivocate; to bungle or botch.
To dissemble; to play fast and loose (with someone or something).
A goblin; a frightful spectre or phantom; a bogy or bugbear.