Wiktionary
vb. 1 (label en obsolete) To destroy. 2 (label en now Scotland) To damage, do harm to; to injure.
Usage examples of "mischieve".
Sir, said they, it is told us that within this place is a shield that no man may bear about his neck but he be mischieved outher dead within three days, or maimed for ever.
Then spake Sir Galahad, the haut prince, and the King with the Hundred Knights: We suppose that knight is mischieved, and that he is never like to see you nor none of us all, and that is the greatest pity that ever we wist of any knight.
Alas, said Sir Gawaine and Sir Gareth, now is this realm wholly mischieved, and the noble fellowship of the Round Table shall be disparpled: so they departed.
Alas said Queen Guenever, now are we mischieved both Madam, said Sir Launcelot, is there here any armour within your chamber, that I might cover my poor body withal?
Alas, said Sir Palomides, it is great pity that ever so noble a knight should be so mischieved for the love of a lady.
And that other People had their Barrels of Drink unaccountably mischieved, spoilt, and spilt, upon their Displeasing of her.