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.

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

From MarketWatch • Mar. 18, 2026

He added that he could not give MPs a publication date, saying: "We are working flat out to agree the plan with everyone across government."

From BBC • Mar. 17, 2026

One academic asked me flat out, if I loved Iran so much, why was I badmouthing it?

From The Wall Street Journal • Feb. 27, 2026

"As a pure driver, I enjoy driving flat out," Verstappen said.

From BBC • Feb. 13, 2026

I didn’t plan on flat out asking these questions, but I did think that by getting inside the Pastors’ house and meeting Ginnie Sue, I’d come away with some idea of the answers.

From "The Glass Castle" by Jeannette Walls

flat out

Example Sentences

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