flaky

US /ˈfleɪ.ki/
UK /ˈfleɪ.ki/
"flaky" picture
1.

breaking or separating easily into small, thin pieces

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The pastry was perfectly flaky and golden brown.
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Her skin gets very dry and flaky in the winter.
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crumblybrittlescalypeeling
2.

(of a person) unreliable or eccentric; prone to changing plans or forgetting things

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He's a bit flaky, so don't rely on him to be on time.
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Her ideas can be a bit flaky, but sometimes they're brilliant.
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unreliableeccentricerraticunpredictablescatterbrained
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flaky pastry