alarm bell

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Noun1.Alarm bell - the sound of an alarm (usually a bell)alarm bell - the sound of an alarm (usually a bell)
alarum, warning signal, alarm, alert - an automatic signal (usually a sound) warning of danger
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
There was little to be made out, in the mist and darkness; but the loud shouting of men vibrated through the air, and the barking of the neighbouring dogs, roused by the sound of the alarm bell, resounded in every direction.
The alarm bell was ringing all day long in the towns; men rushed together, but why they were summoned and who was summoning them no one knew.
'Ring the alarm bell, somebody!' cried a dozen voices.
However, the captain said there was no need to hit the panic button yet but the losses served as an alarm bell. "We didn't play well in the entire tournament.
A bell or gun used to sound a warning was called an alarm bell or alarm gun.
I SEE that Theresa May, the Home Secretary, rang the alarm bell when she saw the immigrant iceberg dead ahead.
She sounded the alarm bell after opening the Diabetes Update Symposium.
Why weren't they ringing the alarm bell a long time ago?
Yesterday's Back Page Headline: BATES: ALARM BELL IS RINGING WHEN my alarm bell rings, I wake up and smell the coffee.
"The EU will fail to meet its target of halting the loss of biodiversity by 2010 unless there is significant additional effort over the next two years": the European Commission, which undertook a mid-term evaluation of the progress made in implementing the Biodiversity Action Plan, which it published in May 2006, sounds the alarm bell. Its communication of 16 December calls upon all member states to redouble their efforts: an enormous effort will be required, at the level of both the European Community and the member states, if the EU is to even approach its objective.
Environmental groups said the ice melt was another alarm bell warning of global warming.