fire on all cylinders

phrase

: to perform very well
The team got off to a slow start, but now it's firing on all cylinders.

Browse Nearby Words

fire off
fire on all cylinders
fire-on-the-mountain
See all Nearby Words

Cite this Entry

“Fire on all cylinders.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fire%20on%20all%20cylinders. Accessed 17 Mar. 2026.

Copy Citation
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of Erin go bragh

See Definitions and Examples »

Popular in Grammar & Usage

See More

More Words You Always Have to Look Up

5 Verbal Slip Ups and Language Mistakes

Is it 'nerve-racking' or 'nerve-wracking'?

The Difference Between 'i.e.' and 'e.g.'

Democracy or Republic: What's the difference?
See More

Popular in Wordplay

See More

The Opposite of Déjà Vu

The Words of the Week - Mar. 13

Why do we call it a 'flea market'?

17 Words for Dog Breeds

Birds Say the Darndest Things
See More

Popular

See More

More Words You Always Have to Look Up

The Opposite of Déjà Vu

The Words of the Week - Mar. 13
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
book-magic-glow
Famous Novels, First Lines Quiz Can you identify these novels by their famous fir...
See All