Meaning of “frighten” - Learner’s Dictionary

frighten

verb [ T ] us uk /ˈfraɪtən/
Extra Examples
a story that frightened many childrenDeath frightens many people.He doesn't frighten me.I've had several operations so hospitals don't frighten me.It frightens me to think what he'll be like when he grows up.

B2 to make someone afraid or nervous:

It frightens me when he drives so fast.
→ See also scare/frighten the (living) daylights out of sb , scare/frighten sb out of their wits

(Definition of “frighten” from the Cambridge Learner’s Dictionary © Cambridge University Press)