noun
Definition: A device or signal that warns people about danger or an emergency, often making a loud noise. It can also refer to a feeling of fear or worry when something dangerous is happening.
Example: The alarm went off at 7 AM, waking everyone in the house.
transitive verb
Definition: To cause someone to feel fear or worry; to warn someone about something that may be dangerous or concerning.
Example: The sudden noise alarmed the entire neighborhood.