Thesaurus.com
Dictionary.com
Definitions

false alarm

NOUN
needless alarm or worry
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Doubts about the current bull market have started to creep in following Friday’s tech stock wipeout, but this wouldn’t be the first false alarm.

From The Wall Street Journal • Jun. 8, 2026

After another false alarm that the case had been found, Rosie's husband Chris says he began emailing Ryanair "twice a week for months" in the hope of an update.

From BBC • Mar. 11, 2026

This misinterpretation activates the cell's innate immune system, creating a false alarm that can lead to inflammation and disease.

From Science Daily • Feb. 27, 2026

Historical records reveal there were several close calls in the early ’80s, including the 1983 Soviet nuclear false alarm that could have triggered a nuclear war.

From Slate • Feb. 2, 2026

Dandelion grew nervous and twice gave a false alarm.

From "Watership Down: A Novel" by Richard Adams




Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "false alarm" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com