Thesaurus.com
Dictionary.com
Definitions

circuit breaker

[sur-kit brey-ker] / ˈsɜr kɪt ˌbreɪ kər /
NOUN
safe shutoff for electricity
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.

“Without a circuit breaker in sight and the U.S. out on holiday, the bearish dynamics could continue ahead of the weekend,” he said.

From The Wall Street Journal • Jul. 3, 2026

Diplomacy now has a live-market feed, one that operates on a 24-hour crypto exchange with no circuit breaker and is visible simultaneously to every government, hedge fund, and sanctions-compliance desk on earth.

From Barron's • Apr. 18, 2026

Both Wales and Northern Ireland put in place versions of a circuit breaker lockdown, while in Scotland stricter rules are imposed in the central belt.

From BBC • Nov. 19, 2025

None other than Justice Antonin Scalia wrote that the jury functions as “a circuit breaker in the state’s machinery of justice.”

From Slate • Nov. 7, 2025

One day when I go downstairs to flip the circuit breaker, I catch Hunter on all fours, trying to walk like a vuvv, with his back to the floor.

From "Landscape with Invisible Hand" by M.T. Anderson



Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

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

Take me to Vocabulary.com