alarum

/əˈlɛrəm/
noun
  1. A loud, urgent warning or alarm, especially a historical call to arms or a signal of danger.
    • Her sudden cry served as an alarum for everyone in the building to evacuate.
    • The town crier sounded the alarum when the enemy was spotted at the gate.
    • In the old play, the alarum bells rang out to warn the sleeping soldiers.
  2. A state of sudden fear or anxious excitement; alarm.
    • The news of the earthquake caused great alarum among the residents.
    • There was no need for alarum; the fire was already under control.
    • He felt a rising alarum as the storm grew closer.
Antonyms
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