Alarm synonyms

Alarum, larum [archaic], alarm bell, tocsin, alerte [F.], beat of drum, sound of trumpet, note of alarm, hue and cry, fiery cross; signal of distress; flag at -half-mast, - half-staff; blue lights; war cry, war whoop; warning [See Warning]; fog signal, fog bell, fog horn, siren; yellow flag; danger signal; red light, red flag; fire bell, fire alarm, still alarm; burglar alarm; watchman’s rattle, police whistle.