Idiom idiom
flat out
Meaning
At top speed.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
Examples
“I am working flat out to finish this project today.”
“The kitchen staff worked flat out during the dinner rush to serve every customer on time.”
“With the deadline looming, the entire research team worked flat out, ignoring their exhaustion to complete the final report before the morning meeting.”
Anchors to
Last updated August 10, 2026