Home › Words › H › hypsophobiahypsophobiahypsophobia means fear of heights.EtymologyFrom hypso- + -phobia.nounFear of heights.e.g.“Though I had more instructions, I was overcome by a huge dizzying wave of hypsophobia as I stared at him, his boots balanced on the narrow sill, his rear end dangling in outer space.” — 1967, Sue Kaufman, Diary of a Mad Housewife, page 94:Definitions & examples from Wiktionary (CC BY-SA 3.0).