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.

So we'll go flat out and let's see how it goes.

From BBC • Apr. 30, 2026

“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

"But as soon as my babies arrived, I realised I just couldn't – I was flat out looking after the three of them so I went for the easy option."

From BBC • Mar. 12, 2026

Seabiscuit ran flat out for a sixteenth of a mile before Pollard pulled him up.

From "Seabiscuit: An American Legend" by Laura Hillenbrand

flat out

Example Sentences

Related Words