petrified
1. [ adjective ] converted into a mineral
Synonyms: mineralized
Examples:

"petrified wood"

Related terms: mineral
2. [ adjective ] converted into stone
Related terms: hard
3. [ adjective ] so frightened as to be unable to move; stunned or paralyzed with terror
Synonyms: numb
Examples:

"petrified with fear" "she was petrified by the eerie sound" "too numb with fear to move"

Related terms: afraid
Similar spelling:   putrified
  petrify
  petrifaction
  petrifying
  Petroff