Feeling fear or anxiety

भयभीत होना

English Usage: The frightened child wouldn't let go of his mother.

Hindi Usage: भयभीत बच्चा अपनी माँ का हाथ नहीं छोड़ रहा था।

To cause someone to feel fear

किसी को डराना

English Usage: The loud thunder frightened them.

Hindi Usage: तेज़ गरज ने उन्हें डरा दिया।