asperity
Pronunciation: /əˈsperitē /
noun (plural asperities)
1 Harshness of tone or manner: he pointed this out with some asperity
1.1 (asperities) Harsh qualities or conditions: the asperities of a harsh and divided society
1.2 (usually asperities) A rough edge on a surface: the asperities of the metal surfaces
Origin
Middle English (in the sense 'hardship, rigor'): from Old French asperite, or Latin asperitas, from asper 'rough'.
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Imogen aspired to asperity.
Her work was not for charity.
Her laugh had no hilarity.
She dearly craved barbarity.