flat out

2 ENTRIES FOUND:

flat out

adverb

: in a very clear and direct way

: at the fastest possible speed

—used to make a statement more forceful

Full Definition of FLAT OUT

1
:  in a blunt and direct manner :  openly <called flat out for revolution — National Review>
2
:  at top speed or peak performance <the car does 180 m.p.h. flat out>
3
usually flat–out :  absolutely, downright —usually used as an intensive <is just flat-out confusing>

Examples of FLAT OUT

  1. I told him flat out that I have no intention of marrying him.
  2. We asked for more time but they refused us flat out.
  3. The car does 180 mph flat out.

First Known Use of FLAT OUT

1932

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