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flat-out

flat-out

 
pronunciation:
flaet aUt
features:
Word Combinations (adjective)
part of speech: adjective & adverb
definition 1: (informal) at maximum speed or strength.
We worked flat-out through the night.
similar words:
with a vengeance
definition 2: definite; thorough; complete.
He was a flat-out liar.
similar words:
arrant, downright, flat, outright, plain
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