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flat out Definition

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flat out
adjective(flat-out)
being or going at maximum effort or speed
flat out
adjective(flat-out)
out-and-out, downright
flat out
adverb(flat-out)
in a blunt and direct manner : openly
flat out
adverb(flat-out)
at top speed or peak performance
flat out
adverb(flat-out)
absolutely, downright —usually used as an intensive

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