boggler


bog·gle

B0367500 (bŏg′əl)v. bog·gled, bog·gling, bog·gles v.intr.1. To hesitate as if in fear or doubt.2. To shy away or be overcome with fright or astonishment: "The mind now boggling at all the numbers on the table, both sides agreed to a recess of an hour" (Henry A. Kissinger).3. To act ineptly or inefficiently; bungle.v.tr.1. To cause to be overcome, as with fright or astonishment.2. To botch; bungle.
[Probably from boggle, dialectal variant of bogle.]
bog′gle n.bog′gler n.

boggler

(ˈbɒɡələ) na person who boggles, or a thing which causes one to boggle