acerbity
/əˈsɜːbɪti/
/əˈsɜːbɪti/
/əˈsɝbɪdi/
noun
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Sourness of taste, with bitterness and astringency, like that of unripe fruit.
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Harshness, bitterness, or severity
"acerbity of temper, of language, of pain"