Thesaurus

flat-out

adjective

Synonyms & Antonyms of flat-out

(Entry 1 of 2)

flat-out

adverb

Synonyms & Antonyms of flat-out (Entry 2 of 2)

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Time Traveler for flat-out

Time Traveler

The first known use of flat-out was in 1906

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Cite this Entry

“Flat-out.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flat-out. Accessed 20 Oct. 2020.

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