false alarm
Speech parts
1. false alarm - Noun
2. false alarm - Phrase
Meaning
a warning that is given about something that fails to occur
Source: WordNetSynonyms
Hypernyms
Examples
As Brzezinski prepared to phone President Jimmy Carter to plan a full-scale response, he received a third call: It was a false alarm.
Constant false alarm rate and digital terrain model processing are also used in clutter environments.
Petrov correctly assessed the situation as a false alarm, and hence did not report his finding to his superiors.
But the siren turned out to be a false alarm.
A spokesman for SFRS said: “The call out to Ipswich Hospital was a false alarm.
Firefighters responded to a general fire alarm at 2:35 p.m. in the 2000 block of Weld County Road 23. It was a false alarm.