tocsin Synonyms

signal of distress warning bell fire bell red flag foghorn alarm bell hooter fire alarm burglar alarm whistle warning doorbell wake-up call note of alarm cloud on the horizon alarms alerts red light handwriting on the wall danger signal tintinnabulum dinger distress signal siren signal clapper chime caution carillon buzzer buzz bell angelus alert alarum curfew cymbal sign peal notice nod lyra larum indication horn hint gong alarm