flake
1 Americannoun
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a small, flat, thin piece, especially one that has been or become detached from a larger piece or mass.
flakes of old paint.
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any small piece or mass.
a flake of snow.
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a stratum or layer.
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Slang. an eccentric person; screwball.
My sister's new boyfriend is a real flake—I can't imagine why she goes out with him.
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Slang. cocaine.
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a usually broad, often irregular piece of stone struck from a larger core and sometimes retouched to form a flake tool.
verb (used without object)
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to peel off or separate in flakes.
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to fall in flakes, as snow.
verb (used with object)
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to remove in flakes.
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to break flakes or chips from; break into flakes.
to flake fish for a casserole.
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to cover with or as if with flakes.
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to form into flakes.
noun
noun
verb (used with object)
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fake.
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to lower (a fore-and-aft sail) so as to drape the sail equally on both sides over its boom.
verb (used without object)
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to back out of a plan, promise, engagement, agreement, etc.; fail to follow through on something (usually followed byout ).
We had a 3 o’clock appointment, but he flaked on me an hour before.
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to fall asleep; take a nap (usually followed byout ).
She drank way too much and flaked out on my couch.
noun
verb
noun
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a small thin piece or layer chipped off or detached from an object or substance; scale
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a small piece or particle
a flake of snow
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a thin layer or stratum
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archaeol
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a fragment removed by chipping or hammering from a larger stone used as a tool or weapon See also blade
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( as modifier )
flake tool
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slang an eccentric, crazy, or unreliable person
verb
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to peel or cause to peel off in flakes; chip
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to cover or become covered with or as with flakes
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(tr) to form into flakes
noun
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A relatively thin, sharp-edged stone fragment removed from a core or from another flake by striking or prying, serving as a tool or blade itself or as a blank for making other tools.
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See more at flake tool
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A small, symmetrical, six-sided crystal of snow. Flakes can be large or small and wet or dry, depending on weather conditions. They are white in color because of their large number of reflecting surfaces.
Other Word Forms
Etymology
Origin of flake1
First recorded in 1350–1400; (noun) Middle English; akin to Old English flac- in flacox “flying (said of arrows),” Old Norse flakka “to rove, wander,” Middle Dutch vlacken “to flutter”; flake 1 def. 4 by back formation from flaky, in sense “eccentric, odd”; (verb) late Middle English: “to fall in flakes,” derivative of the noun
Origin of flake2
First recorded in 1300–50; Middle English flake, fleke, from Old Norse flaki, fleki “bridge, hurdle”
Origin of flake3
First recorded in 1620–30; apparently variant of fake 2
Origin of flake4
First recorded in 1935–40; perhaps expressive variant of flag 3; compare British dialect flack “to hang loosely, flap”
Explanation
A flake is a tiny piece of something. A flake could be a tasty morsel like a croissant flake, or a not so tasty morsel — like a dandruff flake. Ewww. In some places, you can see flakes of mica, a shiny glimmering mineral, lining the banks of a pond or paths through the woods. There are also croissant flakes, dandruff flakes, and of course snow flakes, individual snow crystals. When something flakes, it comes off in tiny flecks: "The paint had started to flake off the kitchen wall." If someone calls you a flake, they basically mean you're a weirdo.
Vocabulary lists containing flake
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
On this definition, three out of four Christmases since 1960 have seen at least a flake of snow fall somewhere in the UK.
From BBC ● Dec. 14, 2025
Its steel surface—unlike a coating that can flake off—is hardened through a process called nitriding.
From The Wall Street Journal ● Oct. 24, 2025
They found that flake cereals with fruit “played more into people’s need for sensory pleasure,” Food Business News reported.
From Salon ● Jun. 22, 2025
All three of these modes are the most common ways in which conventional composites can internally flake and crumble.
From Science Daily ● Apr. 16, 2024
A white flake floated out into the night, and began its slow descent.
From "The Bell Jar" by Sylvia Plath
Or take a bright yuzu marmalade: pair it with black sesame seeds, flaked coconut, a drizzle of coconut cream, a swirl of tahini, and a scatter of lime zest.
From Salon ● Nov. 13, 2025
Tender flaked blue crab and summer squash add sweetness and depth.
From The Wall Street Journal ● Oct. 15, 2025
You’ve just been flaked on and it hurts.
From Los Angeles Times ● Jun. 19, 2025
Mr Glauser said while his first choice remained Cadbury Flake 99, when they are unusable he turns to a German alternative marketed as "milk chocolate flaked sticks".
From BBC ● May 26, 2023
As the dirt chipped and flaked away, the hard object became more pronounced.
From "Holes" by Louis Sachar
Inside, the wallpaper is flaking, carpets are frayed and doors are broken.
From BBC ● May 20, 2026
It appeared to London that the women thought she was flaking on their plans.
From The Wall Street Journal ● Jan. 29, 2026
I talked to some friends about flaking, asking them how many times is too many times for someone to cancel a plan, and found that, as with everything in life, context matters.
From Los Angeles Times ● Jun. 19, 2025
If you have itching, flaking, rashes in the scalp, Krueger says that may be a sign you may need to wash more frequently.
From National Geographic ● Aug. 22, 2023
Painted in flaking letters on its side was its name: the Sailsman.
From "Impossible Creatures" by Katherine Rundell
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
