alarm

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alarm bell

A sudden warning or intimation of danger, risk, or ill fortune. (Often pluralized.) Alarm bells were going off in my head when I saw the panicked expression on her face.
See also: alarm, bell

cause for alarm

A reason to be worried, frightened, or concerned about something. The X-ray showed a slight discoloration in my lungs, but my doctor assured me it was no cause for alarm. There was cause for alarm when we noticed our boss shredding all the files in her office.
See also: alarm, cause

sound the alarm

1. Literally, to activate an alarm. I think I see smoke coming from the warehouse. Someone run upstairs and sound the alarm!
2. To alert other people about something dangerous, risky, or troublesome. A number of top economic advisors tried to sound the alarm before the economic crash, but no policy makers seemed to heed their warnings.
See also: alarm, sound

raise the alarm

1. Literally, to activate an alarm. I think I see smoke coming from the warehouse. Someone run upstairs and raise the alarm!
2. To alert other people about something dangerous, risky, or troublesome. A number of top economic advisors tried to raise the alarm before the economic crash, but no policy makers seemed to heed their warnings.
See also: alarm, raise

false alarm

A benign situation initially mistaken for an emergency. Mary thought she was going into labor, but it turned out to be a false alarm. When the smoke detectors started beeping, we thought the building was on fire, but it was just a false alarm caused by faulty wiring.
See also: alarm, false

set alarm bells ringing

To cause concern due to being an indication that there is something wrong. The new report set alarm bells ringing among the board members because it forecasts a large decrease in enrollment. If your date asks you to meet in a secluded place, it should set alarm bells ringing.
See also: alarm, bell, ring, set

set off alarm bells

To cause concern due to being an indication that there is something wrong. The new report set off alarm bells among the board members because it forecasts a large decrease in enrollment. If your date asks you to meet in a secluded place, it should set off alarm bells.
See also: alarm, bell, off, set

I don't want to alarm you, but

 and I don't want to upset you, but
an expression used to introduce bad or shocking news or gossip. Bill: I don't want to alarm you, but I see someone prowling around your car. Mary: Oh, goodness! I'll call the police! Bob: I don't want to upset you, but I have some bad news. Tom: Let me have it.
See also: alarm, but, want

false alarm

A warning signal that is groundless, made either by mistake or as a deliberate deception. For example, The rumor that we were all going to get fired was just a false alarm, or Setting off a false alarm is a criminal offense. This expression, first recorded in 1579, today is often used for a report of a nonexistent fire.
See also: alarm, false

alarm bells start to ring

COMMON If alarm bells start to ring, you begin to be aware of a problem in a situation. It was when the headaches suddenly got a lot worse that alarm bells started to ring. Note: You can also say something sets alarm bells ringing, meaning that something makes you start to be aware of a problem. His absence from work for three days had set alarm bells ringing. Note: You can also say warning bells start to ring. He didn't understand the half of it but warning bells were starting to ring in the back of his mind. Note: You can also say something sets warning bells ringing meaning that something makes you start to be aware of a problem. There was something in the way she spoke that set warning bells ringing in Brak's head.
See also: alarm, bell, ring, start

alarms and excursions

confused activity and uproar. humorous
Alarm was formerly spelled alarum , representing a pronunciation with a rolling of the ‘r’; the phrase was originally a call summoning soldiers to arms. The whole phrase is used in stage directions in Shakespeare to indicate a battle scene.
See also: alarm, and, excursion

a false aˈlarm

a warning of something, especially something unpleasant or dangerous, which does not in fact happen: They thought the packet contained a bomb but it was a false alarm.
See also: alarm, false

a three-alarm fire

and a five-alarm fire
n. someone or something very exciting. Work was a nightmare today. A five-alarm fire with crisis after crisis.
See also: fire

a five-alarm fire

verb
See also: fire
References in periodicals archive ?
In addition, personal alarms are considerably louder than medical-grade, anti-fall monitors because they are designed to scare away a would be perpetrator.
Yet Natural Car Alarms is to date the most complete liaison of nature and culture in Katchadourian's work.
False alarms were draining our patrol resources, comprising 12 percent of all dispatched calls.
Best practices, according to the guide, include requiring alarm companies to visually verify alarm legitimacy before calling police and charging a fee for service for all false holdup, duress, and panic alarms, as Salt Lake City, Utah, does.
Condition-oriented alarms, which is the new name for "traditional.
Investigators hoped that aggressive response to selected alarms at banks and supermarkets during these critical times would result in preventing burglaries or in apprehending the thieves.
Wave Alarm for Android and iOS helps take the frustration out of the very first thing you do in the morning - turn off your alarm.
Last month, the Michael Ewart Smoke Alarm Foundation had its first outreach efforts at a soccer game where Michael and friends handed out fliers reminding people to change the batteries in their home smoke alarms.
First Alert is proud to lead the way by providing UL listed carbon monoxide alarms that offer the highest level of protection and accuracy.
These false alarms are annoying to staff and expose the residents to unnecessary, meaningless noise.
A basic wired system includes alarms on outside doors and windows, motion sensors in key areas, an alarm and/or bright lights and a connection to a central station.
If surrounded in the wild by unrelated ground squirrels, the females raise no alarms.
Even more tragic is that many such incidents end in homicides that the law enforcement community could have possibly prevented by providing their at-risk citizens with an alarm device that they can carry with them.
Designed to "reduce demand on limited police resources and enhance the effectiveness of all alarm systems," the program suggests comprehensive steps to be taken by alarm installers, users, manufacturers, and police to lower the frequency of false alarms.
This Frost & Sullivan research service titled European Social Alarms Markets offers an analysis of key market drivers, technology trends and market shares of major participants in the market.