flat out

[flat-out] / ˈflætˈaʊt /

ADVERB

at top speed

Synonyms

WEAK

all out at full speed at full throttle bluntly directly full-bore openly peak performance wide open

flat-out

ADVERB

at top speed

Synonyms

WEAK

all the way all-out at a good clip for all one's worth full blast head over heels in full gallop lickety-split the whole nine yards to the max unrestrainedly wide open without reservation

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.

“Everything that we’ve got running is going to be flat out for the rest of the year,” Fitterling said.

From The Wall Street Journal • Apr. 5, 2026

Jacobson says they have computers now working flat out generating brackets for this year’s competition.

From MarketWatch • Mar. 18, 2026

It's all this stuff that Verstappen hates, because it takes away from the purity of driving flat out - braking as late as possible, accelerating as soon as possible, to generate lap time.

From BBC • Mar. 8, 2026

There is a greater risk of collision if one car goes into energy recovery mode while another is still going flat out on full power behind.

From BBC • Mar. 3, 2026

Gregor felt himself lifted into the air as Ripred ran flat out for the far side of the river.

From "Gregor the Overlander" by Suzanne Collins

flat out

Example Sentences

Related Words