Definitions

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.

Tim Mitchell, of the Royal College of Surgeons of England, said while staff were working flat out, their efforts were being undermined by long-standing under-investment in buildings and equipment.

From BBC • May 14, 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

So why not let them do that when flat out?

From BBC • Feb. 26, 2026

So I flat out asked: “Does the world look at me that way?”

From "Blended" by Sharon M. Draper

flat out

Example Sentences

Related Words