frighten
/ˈfrī-tᵊn/
verb
to make afraid : terrify
to drive or force by frightening
to become frightened
The movie scene frightened the child.
phrasal verb
to cause (someone or something) to go away or stay away because of fear
The dog frightened the prowler away.
phrasal verb
to cause (someone) to do (something) because of fear
The insurance agent tried to frighten her into buying the most expensive flood insurance.