1. to make someone afraid or anxious; to cause fear in someone
Usage: third person singular present tense of ‘frighten’

Examples

• The loud thunder frightens my dog every time.
• She frightens easily when watching horror movies.
• The thought of public speaking frightens many people.
• His angry expression frightens the children.
• The dark alley frightens her at night.
• Nothing frightens him anymore after his military service.
• The sudden noise frightens the birds away from the feeder.