unsisterliness en · NOUN
Etymology
From unsisterly + -ness.
Meanings
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(uncountable) The state or quality of being unsisterly.
1879, Robert Louis Stevenson, Edinburgh: Picturesque Notes, Chapter IV. Legends, Never did four walls look down upon an uglier spectacle than these sisters rivalling in unsisterliness.
1926, Abbie Graham, Grace H. Dodge, Merchant of Dreams, New York: The Womans Press, Chapter 5, pp. 105-106, There must have been a great deal of patronage towards these working girls, especially among groups of older women, or else Grace Dodge would not have so frequently warned women against the unsisterliness of patronage.
Don’t let me be surprised at your seeming unsisterliness, Bella. I hope it is but seeming. There can be no wit in such jesting as this.
1748, [Samuel Richardson], “Letter XLII”, in Clarissa. Or, The History of a Young Lady: […], volume I, London: […] S[amuel] Richardson; [a]nd sold by A[ndrew] Millar, […], →OCLC: