Definition of "malignity"

He had some advantage in the difference of our weapons; for his sword, as I recollect, was longer than mine, […] His obvious malignity of purpose never for a moment threw him off his guard, and he exhausted every feint and strategem proper to the science of defence; while, at the same time, he mediated the most desperate catastrophe to our rencounter.

1817 December 31 (indicated as 1818), [Walter Scott], chapter XII, in Rob Roy. […], volume II, Edinburgh: […] James Ballantyne and Co. for Archibald Constable and Co. […]; London: Longman, Hurst, Rees, Orme, and Brown, pages 251–252

His enjoyment of the spectacle I furnished, as he sat with his arms folded on the table, shaking his head at me and hugging himself, had a malignity in it that made me tremble.

1860 December – 1861 August, Charles Dickens, chapter LIII, in Great Expectations […], volumes (please specify |volume=I to III), London: Chapman and Hall, […], published October 1861

On the door-threshold Mina turned, and her eyes fastened on Woona in concentrated malignity.

1907, Barbara Baynton, edited by Sally Krimmer and Alan Lawson, Human Toll (Portable Australian Authors: Barbara Baynton), St Lucia: University of Queensland Press, published 1980, page 265

The absence of any histological sign of malignity in the primary tumor and in the metastases, as observed in our patient, is remarkable.

2005, Jun;106(3):177-80 English abstract of French article "Multiple metastases of a mandibular ameloblastoma" R.L. Abada et al., "Multiple metastases of a mandibular ameloblastoma", Revue de stomatologie et de chirurgie maxillo-faciale