The characteristic or quality of being flaky(noun)
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Use "flakiness" in a sentence
"It’s always had a certain flakiness, and I never had the patience to track it down."
"The whole affair requires a Zen master's presence of mind to achieve the ideal separation of layers - what we civilians call flakiness."
"If anybody ever asked us we Black Americans always have known about and felt the stab from the "'flakiness' factor" of our white kin/fellow US citizens."