0 past simple and past participle of boggle --
1 to (cause something or someone to) have difficulty imagining or understanding something: --
He boggled at the suggestion.
It boggles the imagination, doesn't it?
The people there represented so many children's organisations that my mind boggled at the large number of organisations dealing with all the various aspects that relate to children.
I confess that my mind boggled at the prospect of a regiment being placed in a state of suspended animation nevertheless.
The imagination boggled at the vast economic assumptions that they had to make which underlay decisions of that character.
We would not have boggled at or fallen out about a figure of 14 instead of 12, or 10 instead of 12.
My mind has been completely boggled—if that is the right term to use.
He has not boggled over any of the points.
He let his imagination run to the point where it boggled.
I think the imagination of a great many people rather boggled at devolving the whole gamut of power upon a single regional manager.