petrify - definition and synonyms

verb 

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/ˈpetrɪfaɪ/
present tense
I/you/we/theypetrify
he/she/itpetrifies
present participlepetrifying
past tensepetrified
past participlepetrified
  1. 1
    [transitive] to frighten someone so much that they cannot move or decide what to do
  2. 2
    [intransitive/transitive] to change a dead plant or animal gradually into stone, or to be changed in this way

derived word

petrifying

adjective