Learn how to say Frightens correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word frighten:
make (someone) afraid or anxious:
the savagery of his thoughts frightened him
farmers are being frightened into scaling down their breeding plans
(frighten someone/thing off) deter someone or something from involvement or action by making them afraid:
if you say anything to him you might frighten him off
the government denies legal responsibility, presumably to frighten off other claimants