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.

Another person with a nut allergy wrote in an online review that they were "flat out refused service" despite accepting the risk and that the restaurants rule on allergies is "not an acceptable one".

From BBC • Apr. 15, 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

Gordon said bad weather can leave farmers "flat out" to get everything done.

From BBC • Feb. 26, 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