alarmed

1. 1
   adjective

   Feeling worried or frightened because something might be wrong or dangerous.

   Like how you feel when you hear a strange noise in the house at night.

   She felt alarmed when she heard a loud crash downstairs.

   The alarmed children ran to find their teacher.

   Similarworried, frightened, anxious, scared, startled

   Oppositecalm, unconcerned, relaxed, unperturbed

   Note
2. 2
   adjective

   Fitted with a device that warns of danger or break-ins.

   The store's windows are alarmed, so thieves cannot get in quietly.

   Every door in the museum is alarmed at night.

   Note
3. 3
   verb

   Simple past and past participle of alarm. Use this form for something that already happened.

   The sudden noise alarmed the whole family.

   Her strange behavior alarmed everyone at the meeting.

   Note

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