SkyfireDict

flat out   (TTS Sound)

The adv flat out has 2 senses

• bluffly, bluntly, brusquely, flat out, roundly -- (in a blunt direct manner; "he spoke bluntly"; "he stated his opinion flat-out"; "he was criticized roundly")


• flat out, like blue murder -- (at top speed; "he ran flat out to catch the bus"; "he was off down the road like blue murder")