petrifying (Adjective) — Paralyzing with terror. ex. "Organic remains have exercised an influence upon their mode of petrifying"
petrifying (Verb) — Cause to become stonelike, stiff or dazed and stunned. ex. "The horror petrified his feelings" ex. "Fear petrified her thinking"
petrifying (Verb) — Change into stone. ex. "the wood petrified with time"
petrifying (Verb) — Make rigid and set into a conventional pattern. ex. "slogans petrify our thinking"