Definition of "unhallowed"

Gra[tiano]. O be thou damn’d, inexecrable dog, / And for thy life let iuſtice be accuſde; / Thou almoſt mak’ſt me wauer in my faith, / To hold opinion with Pythagoras, / That ſoules of Animals infuſe themſelues / Into the trunks of men: Thy curriſh ſpirit / Gouern’d a Wolfe, who, hang’d for humane ſlaughter, / Euen from the gallowes did his fell ſoule fleete, / And whilſt thou layeſt in thy vnhallowed dam, / Infuſde it ſelfe in thee: for thy deſires / Are woluiſh, bloody, ſtaru’d and rauenous.

c. 1596–1598 (date written), W[illiam] Shakespeare, The Excellent History of the Merchant of Venice. […] (First Quarto), [London]: […] J[ames] Roberts [for Thomas Heyes], published 1600, [Act IV, scene i]

It seemed a desecration and an unhallowed thing to touch that sleeping image of the live man by my side.

1886 October – 1887 January, H[enry] Rider Haggard, “The Dead and Living Meet”, in She: A History of Adventure, London: Longmans, Green, and Co., published 1887, pages 238–239

Would the lass but consent to go abroad in the unhallowed place at this awful season and hour of the night, she was as firmly handfasted to the Devil as if she had signed a bond with her own blood; […]

1902, John Buchan, The Outgoing of the Tide