[Idiom] FLAT-OUT. - Understanding Extremes: What Does It Mean to Do Something Flat-Out?

Completely or utterly.

Flat-out" means to do something with maximum effort or speed, or to state something unequivocally. The idiom can refer to working as hard as possible, going as fast as possible, or being completely honest, depending on the context. It conveys an image of laying everything on the line, withholding nothing.

Example Sentences

1. He was flat-out exhausted after the marathon.

   He was completely exhausted after completing the marathon.

2. She flat-out refused to go to the meeting.

   She completely and unequivocally refused to attend the meeting.

3. He’s been working flat-out to meet the project deadline.

   He has been working very hard and continuously to meet the deadline for the project.