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Flat out

//ˌflæt ˈaʊt// adj, adv, noun, verb

Adjective

1
Used other than figuratively or idiomatically: see flat, out. not-comparable
"So many of them took pictures, of themselves and of me, that we ran flat out of black-and-white film the second day out, and there wasn′t a Queen Mary necktie to be had in the shops after we left the port."
2
Complete, total, downright. not-comparable
"Avoid Flat-Out Opposites The slob vs. the neatnik. The artist vs. the precision-freak. The freethinker vs. the tightass. Liberal vs. conservative. Jock vs. nerd. David vs. Goliath. Good vs. evil. Beauty and the Beast. Jekyll^([sic]) and Hyde."
3
Very busy. not-comparable
"I know we are all flat out. That is the way it is. We are flat out, and it becomes a way of life."
4
Lazy, sleeping. Australia, not-comparable
"flat out (like a lizard in the sun) - doing absolutely nothing"

Adverb

1
At top speed. idiomatic, not-comparable
"After 10 minutes of running flat out, he was out of breath."
2
Without hesitation or reservation, bluntly, no holds barred, totally, outright. idiomatic, not-comparable
"She thought it was best to tell him she didn't love him flat out."

Adverb

Noun

1
A total failure. US, dated
2
A baked portion of flatbread; a baked item that is not meant to rise.
"His hands were of the same somber hue as the bare feet of the children who clustered near the table, looking toward it whistfully^([sic]) until the eldest mustered sufficient courage to ask his mother for "one of 'em yere flat-outs.""
3
A wrap, an item of food consisting of various ingredients wrapped in a tortilla or pancake.
4
A section of piste that is relatively flat, causing or allowing skiers to slow down.
"The would-be daredevils are mercifully prevented from going too fast by strategically placed flat-outs."
5
An uncambered corner of racetrack; a racetrack whose corners are uncambered.
"The circuit is very well endowed with corners of all sorts from hairpins to flat-outs, has a 1,540-yd. straight and measures 5.2 miles, partly on an airfield, partly through a built-up area."

Verb

1
To fail after a promising beginning; to disappoint expectations. intransitive
"1894, Mark Twain, Tom Sawyer Abroad, 2015, Tom Sawyer Collection: All Four Books, Enhanced Media, page 413, I see myself there warn't no sense in the tale, to chop square off that way before it come to anything, but I warn't going to say so, because I could see Tom was souring up pretty fast over the way it flatted out […] ."
2
Synonym of flatten out (to make flat) archaic, transitive

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