false alarm
B2Neutral to Informal
Definition
Meaning
A situation where danger or a problem is signaled but does not actually exist or materialize.
Any warning or alert that proves to be unnecessary, a mistaken belief or prediction, or an event that causes unfounded concern.
Linguistics
Semantic Notes
Primarily functions as a noun phrase. Can refer to literal warnings (e.g., fire alarms) or metaphorical alerts (e.g., worries about health). Implies an initial period of concern followed by relief.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. UK English may more frequently use 'alarm' where US English might use 'alert' in certain technical contexts, but 'false alarm' is standard in both.
Connotations
Neutral-negative (waste of time/resources, unnecessary worry). Identical in both varieties.
Frequency
High and roughly equal frequency in both varieties.
Vocabulary
Collocations
Grammar
Valency Patterns
It was a false alarm.The (fire/burglar) alarm turned out to be a false alarm.We had a false alarm about (X).Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Cry wolf (related idiom, meaning to raise false alarms repeatedly).”
Usage
Context Usage
Business
A market rumor or an early sales report that suggests a major downturn that does not happen.
Academic
A statistical signal in research data that initially appears significant but is later found to be due to chance.
Everyday
Thinking your phone is ringing when it isn't, or a fire alarm test being mistaken for a real fire.
Technical
In medicine: a positive result from a screening test that is not confirmed by more accurate diagnostic tests. In security/engineering: an alarm system triggered without an actual threat (e.g., by a spider, steam).
Examples
By Part of Speech
verb
British English
- The system tends to false-alarm when humidity is high.
- We false-alarmed twice last week.
American English
- The sensor false-alarmed due to a power surge.
- Don't false-alarm the whole team without verification.
adverb
British English
- The alarm went off false-alarm, startling everyone for no reason.
- It rang false-alarm in the empty building.
American English
- The notification triggered false-alarm, causing unnecessary panic.
- The report came in false-alarm.
adjective
British English
- It was a false-alarm evacuation, thankfully.
- He's had several false-alarm health scares.
American English
- We had a false-alarm situation at the plant.
- She experienced false-alarm labor pains.
Examples
By CEFR Level
- The fire alarm at school was a false alarm.
- I thought I lost my keys, but it was a false alarm – they were in my bag.
- The hospital called me back because my test showed a problem, but it turned out to be a false alarm.
- The storm warning was a false alarm; it's just drizzling.
- The initial data suggested a security breach, but further investigation revealed it to be a false alarm.
- Investors panicked over a false alarm regarding the company's debt.
- The epidemiologists cautioned that the early cluster of cases might prove to be a statistical false alarm.
- Her novel was praised for its masterful buildup of tension, which culminated in a series of deliberate false alarms.
Learning
Memory Aids
Mnemonic
Think of a car alarm blaring in the middle of the night, waking everyone up, only to find the car untouched – a 'false' cause for 'alarm'.
Conceptual Metaphor
WARNING IS AN ALARM SOUND / MISTAKE IS A FALSE SIGNAL.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not translate word-for-word as "ложная тревога" in every context. While often correct, in some technical or medical contexts, "ложноположительный результат" (false positive) or "ошибочный сигнал" (erroneous signal) might be more precise.
Common Mistakes
- Using it as an adjective without a hyphen (e.g., 'a false alarm situation' is correct, not 'a false-alarm situation'). Confusing it with 'false positive' (which is specific to tests).
Practice
Quiz
In which context is the term 'false alarm' LEAST likely to be used?
FAQ
Frequently Asked Questions
It is a two-word noun phrase, typically not hyphenated except when used attributively as a compound adjective (e.g., a false-alarm event).
A 'false alarm' is a broader term for any unfounded warning. A 'false positive' is a specific type of false alarm from a test or system, indicating the presence of a condition that is not actually there.
Yes, indirectly. While the event itself is negative (wasted effort, fear), the outcome is positive (the feared danger is not real). For example, 'The cancer scare was a false alarm' brings immense relief.
Informally, 'to false-alarm' (often hyphenated) can be used, especially in technical or conversational contexts (e.g., "The sensor false-alarmed again"), but it is less common than the noun phrase.