alarm bell

noun

: a bell that sounds when an alarm is activated

—often used figuratively

… the Mexican swine flu outbreak that is sounding alarm bells [=causing people to become worried or alarmed] across the world …

—Andres Oppenheimer, Miami Herald, 30 Apr. 2009

The spike in oil prices has set off alarm bells across the automobile industry.

Word History

First Known Use

1548, in the meaning defined above

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Rhymes for alarm bell

• bagatelle
• caravel
• carousel
• carrousel
• citadel
• clientele
• commonweal
• decibel
• demoiselle
• fontanelle
• infidel
• isabel