flat-out

adjective
\ ˈflat-ˌau̇t How to pronounce flat-out (audio) \

Definition of flat-out

 (Entry 1 of 2)

1 : being or going at maximum effort or speed
2 : out-and-out, downright it was a flat-out lie

flat out

adverb

Definition of flat out (Entry 2 of 2)

1 : in a blunt and direct manner : openly called flat out for revolutionNat'l Review
2 : at top speed or peak performance the car does 180 m.p.h. flat out
3 usually flat-out \ ˈflat-​ˌau̇t How to pronounce flat-out (audio) \ : absolutely, downright usually used as an intensive is just flat-out confusing

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Examples of flat-out in a Sentence

Adverb

I told him flat out that I have no intention of marrying him. We asked for more time but they refused us flat out. The car does 180 mph flat out.
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Recent Examples on the Web: Adverb

Twitter has long taken a much harsher approach to content moderation for the average user, whose tweets are flat out removed—albeit inconsistently—if suspected of violating the platform’s guidelines. Paris Martineau, WIRED, "Twitter Will Quarantine Politicians’ Tweets If They Violate Rules—Finally," 27 June 2019 Salmon can have a hard time navigating a deeply forested lake to find food as juveniles or spawning areas as adults, and other fish can be flat out strangled in the lakes for lack of oxygen. Author: Elizabeth Earl, Anchorage Daily News, "Invasive elodea prompts closure of Susitna Valley lakes," 20 June 2019 The media has been flat out wrong about everything regarding the Russia investigation. Fox News, "Hannity: President Trump is on a tear, enacting his agenda," 4 Apr. 2018 This, in the end, was a blessing because piecing the flat out of my memory was a fascinating and powerful process. Vanessa Lawrence, ELLE Decor, "This London Flat is the Site of A Director's First Cinematic Love," 20 May 2019 And flat out follow the law, don't enter the country illegally, put yourself and your children at jeopardy. Fox News, "ABC axes 'Roseanne' following star's racially-charged tweet," 30 May 2018 With big producers like Saudi Arabia, Russia and the U.S. all pumping almost flat out, output disruptions elsewhere could threaten global supply, and stoke prices once again. Benoit Faucon, WSJ, "Over a Barrel: U.S. Pushes Middle East Deals Ahead of Iran Oil Ban," 1 Nov. 2018 The government’s theory about how much cardiologists can honestly disagree is flat out wrong. Kyle Clark And Andrew George, WSJ, "A Second Opinion Becomes a Guilty Verdict," 27 Dec. 2018 Some of the statements offered up as evidence in the warrant were either flat out wrong or misleading, argued attorney Dean Atyia. Kristina Davis, sandiegouniontribune.com, "Rapper 'Tiny Doo' and college student arrested under controversial gang law get day in court against police," 22 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flat-out.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of flat-out

Adjective

1906, in the meaning defined at sense 1

Adverb

1932, in the meaning defined at sense 1

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Statistics for flat-out

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Time Traveler for flat-out

The first known use of flat-out was in 1906

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More Definitions for flat-out

flat-out

adjective

English Language Learners Definition of flat-out

 (Entry 1 of 2)

informal
chiefly US : absolute and complete
: greatest possible

flat out

adverb

English Language Learners Definition of flat out (Entry 2 of 2)

informal
chiefly US : in a very clear and direct way
: at the fastest possible speed
US, informal used to make a statement more forceful

flat-out

adjective
\ ˈflat-ˌau̇t\

Kids Definition of flat-out

1 : out-right entry 2 sense 1 That's a flat-out lie.— Phyllis Reynolds Naylor, Shiloh
2 : greatest possible a flat-out effort

flat out

adverb

Kids Definition of flat out

1 : in a very clear manner I told him flat out to leave.
2 : at top speed We worked flat out to finish.

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More from Merriam-Webster on flat-out

Rhyming Dictionary: Words that rhyme with flat-out

Thesaurus: All synonyms and antonyms for flat-out

Spanish Central: Translation of flat-out

Comments on flat-out

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